22400122331 has 8 divisors (see below), whose sum is σ = 22647834624. Its totient is φ = 22153717800.

The previous prime is 22400122273. The next prime is 22400122337. The reversal of 22400122331 is 13322100422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22400122331 is a prime.

It is a super-2 number, since 2×22400122331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22400122337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292475 + ... + 361028.

It is an arithmetic number, because the mean of its divisors is an integer number (2830979328).

Almost surely, 2^22400122331 is an apocalyptic number.

22400122331 is a deficient number, since it is larger than the sum of its proper divisors (247712293).

22400122331 is a wasteful number, since it uses less digits than its factorization.

22400122331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653881.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22400122331 its reverse (13322100422), we get a palindrome (35722222753).

The spelling of 22400122331 in words is "twenty-two billion, four hundred million, one hundred twenty-two thousand, three hundred thirty-one".