22331131022330 has 128 divisors (see below), whose sum is σ = 47688988334400. Its totient is φ = 7449409142784.

The previous prime is 22331131022329. The next prime is 22331131022351. The reversal of 22331131022330 is 3322013113322.

It can be written as a sum of positive squares in 32 ways, for example, as 844114425049 + 21487016597281 = 918757^2 + 4635409^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 22331131022330.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10080536 + ... + 12094604.

Almost surely, 2^{22331131022330} is an apocalyptic number.

22331131022330 is an abundant number, since it is smaller than the sum of its proper divisors (25357857312070).

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

22331131022330 is a wasteful number, since it uses less digits than its factorization.

22331131022330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014308.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 22331131022330 its reverse (3322013113322), we get a palindrome (25653144135652).

The spelling of 22331131022330 in words is "twenty-two trillion, three hundred thirty-one billion, one hundred thirty-one million, twenty-two thousand, three hundred thirty".