23221332310 has 16 divisors (see below), whose sum is σ = 45598252752. Its totient is φ = 8444120800.

The previous prime is 23221332307. The next prime is 23221332341. The reversal of 23221332310 is 1323312232.

It is a super-2 number, since 2×23221332310² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 105551401 + ... + 105551620.

It is an arithmetic number, because the mean of its divisors is an integer number (2849890797).

Almost surely, 2^23221332310 is an apocalyptic number.

23221332310 is a deficient number, since it is larger than the sum of its proper divisors (22376920442).

23221332310 is a wasteful number, since it uses less digits than its factorization.

23221332310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211103039.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23221332310 its reverse (1323312232), we get a palindrome (24544644542).

The spelling of 23221332310 in words is "twenty-three billion, two hundred twenty-one million, three hundred thirty-two thousand, three hundred ten".