22769940 has 24 divisors (see below), whose sum is σ = 63756000. Its totient is φ = 6071968.

The previous prime is 22769939. The next prime is 22769951. The reversal of 22769940 is 4996722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189690 + ... + 189809.

It is an arithmetic number, because the mean of its divisors is an integer number (2656500).

Almost surely, 2^22769940 is an apocalyptic number.

22769940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22769940 is an abundant number, since it is smaller than the sum of its proper divisors (40986060).

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

22769940 is a wasteful number, since it uses less digits than its factorization.

22769940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379511 (or 379509 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 22769940 is about 4771.7858292258. The cubic root of 22769940 is about 283.4353158449.

The spelling of 22769940 in words is "twenty-two million, seven hundred sixty-nine thousand, nine hundred forty".