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1222000002222 = 23870372340001
BaseRepresentation
bin10001110010000100111…
…000000100010010101110
311022211012021121000111120
4101302010320010102232
5130010124000032342
62333213513001410
7154200204431136
oct21620470042256
94284167530446
101222000002222
1143127a16440a
121789b93b3266
138b30743a9bc
14432062a9ac6
1521bc1319aec
hex11c84e044ae

1222000002222 has 16 divisors (see below), whose sum is σ = 2444029128912. Its totient is φ = 407328480000.

The previous prime is 1222000002211. The next prime is 1222000002233. The reversal of 1222000002222 is 2222000002221.

It is an interprime number because it is at equal distance from previous prime (1222000002211) and next prime (1222000002233).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647779 + ... + 1692222.

It is an arithmetic number, because the mean of its divisors is an integer number (152751820557).

Almost surely, 21222000002222 is an apocalyptic number.

1222000002222 is an abundant number, since it is smaller than the sum of its proper divisors (1222029126690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222000002222 is a wasteful number, since it uses less digits than its factorization.

1222000002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427043.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 1222000002222 its reverse (2222000002221), we get a palindrome (3444000004443).

Subtracting 1222000002222 from its reverse (2222000002221), we obtain a palindrome (999999999999).

The spelling of 1222000002222 in words is "one trillion, two hundred twenty-two billion, two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 87037 174074 261111 522222 2340001 4680002 7020003 14040006 203666667037 407333334074 611000001111 1222000002222