22222970 has 128 divisors (see below), whose sum is σ = 55296000. Its totient is φ = 6350400.

The previous prime is 22222957. The next prime is 22222973. The reversal of 22222970 is 7922222.

It is not an unprimeable number, because it can be changed into a prime (22222973) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 716855 + ... + 716885.

It is an arithmetic number, because the mean of its divisors is an integer number (432000).

Almost surely, 2^22222970 is an apocalyptic number.

22222970 is an abundant number, since it is smaller than the sum of its proper divisors (33073030).

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

22222970 is a wasteful number, since it uses less digits than its factorization.

22222970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 22222970 is about 4714.1245210537. The cubic root of 22222970 is about 281.1473752329.

The spelling of 22222970 in words is "twenty-two million, two hundred twenty-two thousand, nine hundred seventy".