233223522 has 16 divisors (see below), whose sum is σ = 533082432. Its totient is φ = 66635280.

The previous prime is 233223503. The next prime is 233223533. The reversal of 233223522 is 225322332.

It is a super-2 number, since 2×233223522² = 108786422428168968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233223492 and 233223501.

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, 2776429 + ... + 2776512.

It is an arithmetic number, because the mean of its divisors is an integer number (33317652).

Almost surely, 2^233223522 is an apocalyptic number.

233223522 is an abundant number, since it is smaller than the sum of its proper divisors (299858910).

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

233223522 is a wasteful number, since it uses less digits than its factorization.

233223522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552953.

The product of its digits is 4320, while the sum is 24.

The square root of 233223522 is about 15271.6574738959. The cubic root of 233223522 is about 615.5416577705.

Adding to 233223522 its reverse (225322332), we get a palindrome (458545854).

The spelling of 233223522 in words is "two hundred thirty-three million, two hundred twenty-three thousand, five hundred twenty-two".