22889970 has 48 divisors (see below), whose sum is σ = 59754240. Its totient is φ = 6079392.

The previous prime is 22889969. The next prime is 22890029. The reversal of 22889970 is 7998822.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37407 + ... + 38013.

It is an arithmetic number, because the mean of its divisors is an integer number (1244880).

Almost surely, 2^22889970 is an apocalyptic number.

22889970 is an abundant number, since it is smaller than the sum of its proper divisors (36864270).

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

22889970 is a wasteful number, since it uses less digits than its factorization.

22889970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 22889970 is about 4784.3463503388. The cubic root of 22889970 is about 283.9324791542.

The spelling of 22889970 in words is "twenty-two million, eight hundred eighty-nine thousand, nine hundred seventy".