22660262772 has 48 divisors (see below), whose sum is σ = 60476731392. Its totient is φ = 6469071840.

The previous prime is 22660262767. The next prime is 22660262773. The reversal of 22660262772 is 27726206622.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22660262773) 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, 6168 + ... + 212975.

It is an arithmetic number, because the mean of its divisors is an integer number (1259931904).

Almost surely, 2^22660262772 is an apocalyptic number.

It is an amenable number.

22660262772 is an abundant number, since it is smaller than the sum of its proper divisors (37816468620).

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

22660262772 is a wasteful number, since it uses less digits than its factorization.

22660262772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220388 (or 220386 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 22660262772 in words is "twenty-two billion, six hundred sixty million, two hundred sixty-two thousand, seven hundred seventy-two".