22667248840 has 16 divisors (see below), whose sum is σ = 51001309980. Its totient is φ = 9066899520.

The previous prime is 22667248837. The next prime is 22667248847. The reversal of 22667248840 is 4884276622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21362160964 + 1305087876 = 146158^2 + 36126^2 .

It is not an unprimeable number, because it can be changed into a prime (22667248847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283340571 + ... + 283340650.

Almost surely, 2^22667248840 is an apocalyptic number.

22667248840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22667248840 is an abundant number, since it is smaller than the sum of its proper divisors (28334061140).

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

22667248840 is a wasteful number, since it uses less digits than its factorization.

22667248840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566681232 (or 566681228 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 22667248840 in words is "twenty-two billion, six hundred sixty-seven million, two hundred forty-eight thousand, eight hundred forty".