22312110020550 has 48 divisors (see below), whose sum is σ = 63238894689792. Its totient is φ = 5099910861600.

The previous prime is 22312110020491. The next prime is 22312110020569. The reversal of 22312110020550 is 5502001121322.

It is a super-3 number, since 3×22312110020550³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22312110020550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10624813246 + ... + 10624815345.

It is an arithmetic number, because the mean of its divisors is an integer number (1317476972704).

Almost surely, 2^{22312110020550} is an apocalyptic number.

22312110020550 is an abundant number, since it is smaller than the sum of its proper divisors (40926784669242).

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

22312110020550 is a wasteful number, since it uses less digits than its factorization.

22312110020550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21249628613 (or 21249628608 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 22312110020550 its reverse (5502001121322), we get a palindrome (27814111141872).

The spelling of 22312110020550 in words is "twenty-two trillion, three hundred twelve billion, one hundred ten million, twenty thousand, five hundred fifty".