Search a number
-
+
222120331230 = 23571057715863
BaseRepresentation
bin1100111011011101100…
…1110100011111011110
3210020022221120221101110
43032313121310133132
512114400301044410
6250012441322450
722022230443420
oct3166731643736
9706287527343
10222120331230
1186223155486
123706b796426
1317c3b082a75
14aa71c26810
155ba0421720
hex33b76747de

222120331230 has 32 divisors (see below), whose sum is σ = 609244337664. Its totient is φ = 50770361376.

The previous prime is 222120331219. The next prime is 222120331253. The reversal of 222120331230 is 32133021222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 222120331197 and 222120331206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528857722 + ... + 528858141.

It is an arithmetic number, because the mean of its divisors is an integer number (19038885552).

Almost surely, 2222120331230 is an apocalyptic number.

222120331230 is an abundant number, since it is smaller than the sum of its proper divisors (387124006434).

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

222120331230 is a wasteful number, since it uses less digits than its factorization.

222120331230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057715880.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 222120331230 its reverse (32133021222), we get a palindrome (254253352452).

The spelling of 222120331230 in words is "two hundred twenty-two billion, one hundred twenty million, three hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1057715863 2115431726 3173147589 5288579315 6346295178 7404011041 10577158630 14808022082 15865737945 22212033123 31731475890 37020055205 44424066246 74040110410 111060165615 222120331230