22479555 has 16 divisors (see below), whose sum is σ = 41105664. Its totient is φ = 10276320.

The previous prime is 22479517. The next prime is 22479563. The reversal of 22479555 is 55597422.

It is not a de Polignac number, because 22479555 - 2⁷ = 22479427 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106941 + ... + 107150.

It is an arithmetic number, because the mean of its divisors is an integer number (2569104).

Almost surely, 2^22479555 is an apocalyptic number.

22479555 is a deficient number, since it is larger than the sum of its proper divisors (18626109).

22479555 is a wasteful number, since it uses less digits than its factorization.

22479555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214106.

The product of its digits is 126000, while the sum is 39.

The square root of 22479555 is about 4741.2609082395. The cubic root of 22479555 is about 282.2252739444.

The spelling of 22479555 in words is "twenty-two million, four hundred seventy-nine thousand, five hundred fifty-five".