22115202150 has 48 divisors (see below), whose sum is σ = 55277604864. Its totient is φ = 5850946080.

The previous prime is 22115202143. The next prime is 22115202163. The reversal of 22115202150 is 5120251122.

It is a super-2 number, since 2×22115202150² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

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, 561402 + ... + 599501.

It is an arithmetic number, because the mean of its divisors is an integer number (1151616768).

Almost surely, 2^22115202150 is an apocalyptic number.

22115202150 is an abundant number, since it is smaller than the sum of its proper divisors (33162402714).

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

22115202150 is a wasteful number, since it uses less digits than its factorization.

22115202150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161045 (or 1161040 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 22115202150 its reverse (5120251122), we get a palindrome (27235453272).

The spelling of 22115202150 in words is "twenty-two billion, one hundred fifteen million, two hundred two thousand, one hundred fifty".