22331012321000 has 64 divisors (see below), whose sum is σ = 52443214134480. Its totient is φ = 8900157868800.

The previous prime is 22331012320987. The next prime is 22331012321039. The reversal of 22331012321000 is 12321013322.

It can be written as a sum of positive squares in 8 ways, for example, as 2365647020356 + 19965365300644 = 1538066^2 + 4468262^2 .

It is a super-2 number, since 2×22331012321000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40031687 + ... + 40585686.

Almost surely, 2^{22331012321000} is an apocalyptic number.

22331012321000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22331012321000 is an abundant number, since it is smaller than the sum of its proper divisors (30112201813480).

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

22331012321000 is a wasteful number, since it uses less digits than its factorization.

22331012321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80617671 (or 80617657 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22331012321000 its reverse (12321013322), we get a palindrome (22343333334322).

The spelling of 22331012321000 in words is "twenty-two trillion, three hundred thirty-one billion, twelve million, three hundred twenty-one thousand".