22275570 has 16 divisors (see below), whose sum is σ = 53461440. Its totient is φ = 5940144.

The previous prime is 22275527. The next prime is 22275571. The reversal of 22275570 is 7557222.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 742519 = 22275570 / (2 + 2 + 2 + 7 + 5 + 5 + 7 + 0).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22275571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371230 + ... + 371289.

It is an arithmetic number, because the mean of its divisors is an integer number (3341340).

Almost surely, 2^22275570 is an apocalyptic number.

22275570 is an abundant number, since it is smaller than the sum of its proper divisors (31185870).

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

22275570 is a wasteful number, since it uses less digits than its factorization.

22275570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742529.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 22275570 is about 4719.7002023434. The cubic root of 22275570 is about 281.3690182692.

The spelling of 22275570 in words is "twenty-two million, two hundred seventy-five thousand, five hundred seventy".