22112970 has 64 divisors (see below), whose sum is σ = 58506624. Its totient is φ = 5304320.

The previous prime is 22112957. The next prime is 22112977. The reversal of 22112970 is 7921122.

It is a self number, because there is not a number n which added to its sum of digits gives 22112970.

It is not an unprimeable number, because it can be changed into a prime (22112977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36994 + ... + 37586.

It is an arithmetic number, because the mean of its divisors is an integer number (914166).

Almost surely, 2^22112970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22112970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29253312).

22112970 is an abundant number, since it is smaller than the sum of its proper divisors (36393654).

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

22112970 is a wasteful number, since it uses less digits than its factorization.

22112970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 22112970 is about 4702.4429821105. The cubic root of 22112970 is about 280.6827301894.

The spelling of 22112970 in words is "twenty-two million, one hundred twelve thousand, nine hundred seventy".