22453970 has 64 divisors (see below), whose sum is σ = 51017472. Its totient is φ = 6969600.

The previous prime is 22453969. The next prime is 22453993. The reversal of 22453970 is 7935422.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93050 + ... + 93290.

It is an arithmetic number, because the mean of its divisors is an integer number (797148).

Almost surely, 2^22453970 is an apocalyptic number.

22453970 is an abundant number, since it is smaller than the sum of its proper divisors (28563502).

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

22453970 is a wasteful number, since it uses less digits than its factorization.

22453970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 22453970 is about 4738.5620181654. The cubic root of 22453970 is about 282.1181621743.

The spelling of 22453970 in words is "twenty-two million, four hundred fifty-three thousand, nine hundred seventy".