22980270 has 64 divisors (see below), whose sum is σ = 57153600. Its totient is φ = 5910528.

The previous prime is 22980259. The next prime is 22980271. The reversal of 22980270 is 7208922.

22980270 = 218² + 219² + ... + 429².

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22980271) 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, 154156 + ... + 154304.

It is an arithmetic number, because the mean of its divisors is an integer number (893025).

Almost surely, 2^22980270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22980270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28576800).

22980270 is an abundant number, since it is smaller than the sum of its proper divisors (34173330).

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

22980270 is a wasteful number, since it uses less digits than its factorization.

22980270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309.

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

The square root of 22980270 is about 4793.7740872928. The cubic root of 22980270 is about 284.3053566124.

The spelling of 22980270 in words is "twenty-two million, nine hundred eighty thousand, two hundred seventy".