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1222213330233 = 33737174776681
BaseRepresentation
bin10001110010010001100…
…101110110010100111001
311022211202011000012112000
4101302101211312110321
5130011043103031413
62333251013211213
7154205404615530
oct21622145662471
94284664005460
101222213330233
1143137961a955
12178a58930b09
138b33c6b05ac
144322675b317
1521bd4e08073
hex11c91976539

1222213330233 has 32 divisors (see below), whose sum is σ = 2125284453120. Its totient is φ = 679531731840.

The previous prime is 1222213330231. The next prime is 1222213330301. The reversal of 1222213330233 is 3320333122221.

1222213330233 is a `hidden beast` number, since 1 + 2 + 222 + 133 + 302 + 3 + 3 = 666.

It is not a de Polignac number, because 1222213330233 - 21 = 1222213330231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1222213330197 and 1222213330206.

It is not an unprimeable number, because it can be changed into a prime (1222213330231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87381348 + ... + 87395333.

It is an arithmetic number, because the mean of its divisors is an integer number (66415139160).

Almost surely, 21222213330233 is an apocalyptic number.

It is an amenable number.

1222213330233 is a deficient number, since it is larger than the sum of its proper divisors (903071122887).

1222213330233 is a wasteful number, since it uses less digits than its factorization.

1222213330233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174776734 (or 174776728 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 1222213330233 its reverse (3320333122221), we get a palindrome (4542546452454).

The spelling of 1222213330233 in words is "one trillion, two hundred twenty-two billion, two hundred thirteen million, three hundred thirty thousand, two hundred thirty-three".

Divisors: 1 3 7 9 21 27 37 63 111 189 259 333 777 999 2331 6993 174776681 524330043 1223436767 1572990129 3670310301 4718970387 6466737197 11010930903 19400211591 33032792709 45267160379 58200634773 135801481137 174601904319 407404443411 1222213330233