22687233620 has 24 divisors (see below), whose sum is σ = 47646434304. Its totient is φ = 9074275616.

The previous prime is 22687233589. The next prime is 22687233623. The reversal of 22687233620 is 2633278622.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22687233623) 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, 365789 + ... + 423291.

It is an arithmetic number, because the mean of its divisors is an integer number (1985268096).

Almost surely, 2^22687233620 is an apocalyptic number.

22687233620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22687233620 is an abundant number, since it is smaller than the sum of its proper divisors (24959200684).

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

22687233620 is a wasteful number, since it uses less digits than its factorization.

22687233620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77239 (or 77237 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 22687233620 in words is "twenty-two billion, six hundred eighty-seven million, two hundred thirty-three thousand, six hundred twenty".