22970280 has 64 divisors (see below), whose sum is σ = 69963840. Its totient is φ = 6031872.

The previous prime is 22970273. The next prime is 22970317. The reversal of 22970280 is 8207922.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6612 + ... + 9468.

It is an arithmetic number, because the mean of its divisors is an integer number (1093185).

Almost surely, 2^22970280 is an apocalyptic number.

22970280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22970280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34981920).

22970280 is an abundant number, since it is smaller than the sum of its proper divisors (46993560).

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

22970280 is a wasteful number, since it uses less digits than its factorization.

22970280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938 (or 2934 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 22970280 is about 4792.7319975146. The cubic root of 22970280 is about 284.2641528293.

The spelling of 22970280 in words is "twenty-two million, nine hundred seventy thousand, two hundred eighty".