22285879 has 16 divisors (see below), whose sum is σ = 29249280. Its totient is φ = 16450560.

The previous prime is 22285871. The next prime is 22285883. The reversal of 22285879 is 97858222.

22285879 = T₇₂₂ + T₇₂₃ + ... + T₇₉₈.

It is not a de Polignac number, because 22285879 - 2³ = 22285871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22285871) 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, 6154 + ... + 9079.

It is an arithmetic number, because the mean of its divisors is an integer number (1828080).

Almost surely, 2^22285879 is an apocalyptic number.

22285879 is a deficient number, since it is larger than the sum of its proper divisors (6963401).

22285879 is a wasteful number, since it uses less digits than its factorization.

22285879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15270.

The product of its digits is 161280, while the sum is 43.

The square root of 22285879 is about 4720.7922004681. The cubic root of 22285879 is about 281.4124168722.

The spelling of 22285879 in words is "twenty-two million, two hundred eighty-five thousand, eight hundred seventy-nine".