22332121331 has 16 divisors (see below), whose sum is σ = 25101437760. Its totient is φ = 19713429120.

The previous prime is 22332121319. The next prime is 22332121363. The reversal of 22332121331 is 13312123322.

It is a cyclic number.

It is not a de Polignac number, because 22332121331 - 2⁶ = 22332121267 is a prime.

It is a super-2 number, since 2×22332121331² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22332121297 and 22332121306.

It is not an unprimeable number, because it can be changed into a prime (22332121381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2515841 + ... + 2524701.

It is an arithmetic number, because the mean of its divisors is an integer number (1568839860).

Almost surely, 2^22332121331 is an apocalyptic number.

22332121331 is a deficient number, since it is larger than the sum of its proper divisors (2769316429).

22332121331 is a wasteful number, since it uses less digits than its factorization.

22332121331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17326.

The product of its digits is 1296, while the sum is 23.

Adding to 22332121331 its reverse (13312123322), we get a palindrome (35644244653).

The spelling of 22332121331 in words is "twenty-two billion, three hundred thirty-two million, one hundred twenty-one thousand, three hundred thirty-one".