22572955 has 4 divisors (see below), whose sum is σ = 27087552. Its totient is φ = 18058360.

The previous prime is 22572947. The next prime is 22572961. The reversal of 22572955 is 55927522.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22572955 - 2³ = 22572947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257291 + ... + 2257300.

It is an arithmetic number, because the mean of its divisors is an integer number (6771888).

Almost surely, 2^22572955 is an apocalyptic number.

22572955 is a deficient number, since it is larger than the sum of its proper divisors (4514597).

22572955 is an equidigital number, since it uses as much as digits as its factorization.

22572955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514596.

The product of its digits is 63000, while the sum is 37.

The square root of 22572955 is about 4751.1003988550. The cubic root of 22572955 is about 282.6156051771.

The spelling of 22572955 in words is "twenty-two million, five hundred seventy-two thousand, nine hundred fifty-five".