22961764 has 24 divisors (see below), whose sum is σ = 48625920. Its totient is φ = 9261696.

The previous prime is 22961753. The next prime is 22961767. The reversal of 22961764 is 46716922.

It is not an unprimeable number, because it can be changed into a prime (22961767) 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, 23644 + ... + 24595.

It is an arithmetic number, because the mean of its divisors is an integer number (2026080).

Almost surely, 2^22961764 is an apocalyptic number.

It is an amenable number.

22961764 is an abundant number, since it is smaller than the sum of its proper divisors (25664156).

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

22961764 is a wasteful number, since it uses less digits than its factorization.

22961764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48267 (or 48265 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 22961764 is about 4791.8434865926. The cubic root of 22961764 is about 284.2290191298.

The spelling of 22961764 in words is "twenty-two million, nine hundred sixty-one thousand, seven hundred sixty-four".