24997222164 has 24 divisors (see below), whose sum is σ = 59683291360. Its totient is φ = 8138630304.

The previous prime is 24997222141. The next prime is 24997222169. The reversal of 24997222164 is 46122279942.

It is a super-2 number, since 2×24997222164² (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 (24997222169) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24221599 + ... + 24222630.

Almost surely, 2^24997222164 is an apocalyptic number.

It is an amenable number.

24997222164 is an abundant number, since it is smaller than the sum of its proper divisors (34686069196).

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

24997222164 is a wasteful number, since it uses less digits than its factorization.

24997222164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48444279 (or 48444277 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The spelling of 24997222164 in words is "twenty-four billion, nine hundred ninety-seven million, two hundred twenty-two thousand, one hundred sixty-four".