22546866988 has 24 divisors (see below), whose sum is σ = 40872696480. Its totient is φ = 10870003200.

The previous prime is 22546866983. The next prime is 22546866989. The reversal of 22546866988 is 88966864522.

It is a super-2 number, since 2×22546866988² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22546866983) 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, 44613 + ... + 216988.

It is an arithmetic number, because the mean of its divisors is an integer number (1703029020).

Almost surely, 2^22546866988 is an apocalyptic number.

It is an amenable number.

22546866988 is a deficient number, since it is larger than the sum of its proper divisors (18325829492).

22546866988 is a wasteful number, since it uses less digits than its factorization.

22546866988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262377 (or 262375 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 64.

The spelling of 22546866988 in words is "twenty-two billion, five hundred forty-six million, eight hundred sixty-six thousand, nine hundred eighty-eight".