22530215244 has 24 divisors (see below), whose sum is σ = 52756271680. Its totient is φ = 7483533264.

The previous prime is 22530215233. The next prime is 22530215249. The reversal of 22530215244 is 44251203522.

It is a super-2 number, since 2×22530215244² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22530215249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3313774 + ... + 3320565.

Almost surely, 2^22530215244 is an apocalyptic number.

It is an amenable number.

22530215244 is an abundant number, since it is smaller than the sum of its proper divisors (30226056436).

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

22530215244 is a wasteful number, since it uses less digits than its factorization.

22530215244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6634629 (or 6634627 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22530215244 its reverse (44251203522), we get a palindrome (66781418766).

The spelling of 22530215244 in words is "twenty-two billion, five hundred thirty million, two hundred fifteen thousand, two hundred forty-four".