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233022222 = 23212945679
BaseRepresentation
bin11011110001110…
…10001100001110
3121020110202101200
431320322030032
5434123202342
635042250330
75526441036
oct1570721416
9536422350
10233022222
1110a598054
12660569a6
1339379a94
1422d3a8c6
15156cd94c
hexde3a30e

233022222 has 12 divisors (see below), whose sum is σ = 504881520. Its totient is φ = 77674068.

The previous prime is 233022199. The next prime is 233022239. The reversal of 233022222 is 222220332.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12945679 = 233022222 / (2 + 3 + 3 + 0 + 2 + 2 + 2 + 2 + 2).

233022222 is a modest number, since divided by 22222 gives 2330 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 233022195 and 233022204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6472822 + ... + 6472857.

It is an arithmetic number, because the mean of its divisors is an integer number (42073460).

Almost surely, 2233022222 is an apocalyptic number.

233022222 is an abundant number, since it is smaller than the sum of its proper divisors (271859298).

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

233022222 is a wasteful number, since it uses less digits than its factorization.

233022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12945687 (or 12945684 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 233022222 is about 15265.0654109309. The cubic root of 233022222 is about 615.3645112559.

Adding to 233022222 its reverse (222220332), we get a palindrome (455242554).

The spelling of 233022222 in words is "two hundred thirty-three million, twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 12945679 25891358 38837037 77674074 116511111 233022222