22479458 has 8 divisors (see below), whose sum is σ = 33802860. Its totient is φ = 11211840.

The previous prime is 22479449. The next prime is 22479463. The reversal of 22479458 is 85497422.

It can be written as a sum of positive squares in 2 ways, for example, as 16540489 + 5938969 = 4067^2 + 2437^2 .

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

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, 12923 + ... + 14558.

Almost surely, 2^22479458 is an apocalyptic number.

22479458 is a deficient number, since it is larger than the sum of its proper divisors (11323402).

22479458 is a wasteful number, since it uses less digits than its factorization.

22479458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27892.

The product of its digits is 161280, while the sum is 41.

The square root of 22479458 is about 4741.2506788821. The cubic root of 22479458 is about 282.2248680068.

The spelling of 22479458 in words is "twenty-two million, four hundred seventy-nine thousand, four hundred fifty-eight".