22945740 has 24 divisors (see below), whose sum is σ = 64248240. Its totient is φ = 6118848.

The previous prime is 22945723. The next prime is 22945753. The reversal of 22945740 is 4754922.

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, 191155 + ... + 191274.

It is an arithmetic number, because the mean of its divisors is an integer number (2677010).

Almost surely, 2^22945740 is an apocalyptic number.

22945740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22945740 is an abundant number, since it is smaller than the sum of its proper divisors (41302500).

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

22945740 is a wasteful number, since it uses less digits than its factorization.

22945740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382441 (or 382439 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 22945740 is about 4790.1711869202. The cubic root of 22945740 is about 284.1628867880.

The spelling of 22945740 in words is "twenty-two million, nine hundred forty-five thousand, seven hundred forty".