22313520221000 has 64 divisors (see below), whose sum is σ = 55285027789680. Its totient is φ = 8400384076800.

The previous prime is 22313520220987. The next prime is 22313520221039. The reversal of 22313520221000 is 12202531322.

It can be written as a sum of positive squares in 8 ways, for example, as 2785941544996 + 19527578676004 = 1669114^2 + 4419002^2 .

It is a super-3 number, since 3×22313520221000³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 656263007 + ... + 656297006.

Almost surely, 2^{22313520221000} is an apocalyptic number.

22313520221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22313520221000 is an abundant number, since it is smaller than the sum of its proper divisors (32971507568680).

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

22313520221000 is a wasteful number, since it uses less digits than its factorization.

22313520221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312560051 (or 1312560037 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 22313520221000 its reverse (12202531322), we get a palindrome (22325722752322).

The spelling of 22313520221000 in words is "twenty-two trillion, three hundred thirteen billion, five hundred twenty million, two hundred twenty-one thousand".