22655326740 has 48 divisors (see below), whose sum is σ = 63444575040. Its totient is φ = 6040500480.

The previous prime is 22655326717. The next prime is 22655326741. The reversal of 22655326740 is 4762355622.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22655326692 and 22655326701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22655326741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428691 + ... + 478629.

It is an arithmetic number, because the mean of its divisors is an integer number (1321761980).

Almost surely, 2^22655326740 is an apocalyptic number.

22655326740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22655326740 is an abundant number, since it is smaller than the sum of its proper divisors (40789248300).

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

22655326740 is a wasteful number, since it uses less digits than its factorization.

22655326740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57512 (or 57510 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 22655326740 in words is "twenty-two billion, six hundred fifty-five million, three hundred twenty-six thousand, seven hundred forty".