22520100550 has 36 divisors (see below), whose sum is σ = 44208053316. Its totient is φ = 8533926000.

The previous prime is 22520100529. The next prime is 22520100557. The reversal of 22520100550 is 5500102522.

It is a super-2 number, since 2×22520100550² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22520100557) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 605776 + ... + 641875.

It is an arithmetic number, because the mean of its divisors is an integer number (1228001481).

Almost surely, 2^22520100550 is an apocalyptic number.

22520100550 is a deficient number, since it is larger than the sum of its proper divisors (21687952766).

22520100550 is a wasteful number, since it uses less digits than its factorization.

22520100550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247701 (or 1247677 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The spelling of 22520100550 in words is "twenty-two billion, five hundred twenty million, one hundred thousand, five hundred fifty".