22274895 has 16 divisors (see below), whose sum is σ = 36790272. Its totient is φ = 11496480.

The previous prime is 22274891. The next prime is 22274909. The reversal of 22274895 is 59847222.

It is not a de Polignac number, because 22274895 - 2² = 22274891 is a prime.

It is a super-2 number, since 2×22274895² = 992341894522050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22274891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23487 + ... + 24416.

It is an arithmetic number, because the mean of its divisors is an integer number (2299392).

Almost surely, 2^22274895 is an apocalyptic number.

22274895 is a deficient number, since it is larger than the sum of its proper divisors (14515377).

22274895 is a wasteful number, since it uses less digits than its factorization.

22274895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47942.

The product of its digits is 80640, while the sum is 39.

The square root of 22274895 is about 4719.6286930224. The cubic root of 22274895 is about 281.3661762019.

The spelling of 22274895 in words is "twenty-two million, two hundred seventy-four thousand, eight hundred ninety-five".