22554879 has 8 divisors (see below), whose sum is σ = 30806832. Its totient is φ = 14669760.

The previous prime is 22554871. The next prime is 22554901. The reversal of 22554879 is 97845522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22554879 - 2³ = 22554871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22554879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22554871) 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, 91564 + ... + 91809.

It is an arithmetic number, because the mean of its divisors is an integer number (3850854).

Almost surely, 2^22554879 is an apocalyptic number.

22554879 is a deficient number, since it is larger than the sum of its proper divisors (8251953).

22554879 is a wasteful number, since it uses less digits than its factorization.

22554879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183417.

The product of its digits is 201600, while the sum is 42.

The square root of 22554879 is about 4749.1977217210. The cubic root of 22554879 is about 282.5401472689.

The spelling of 22554879 in words is "twenty-two million, five hundred fifty-four thousand, eight hundred seventy-nine".