22470458 has 4 divisors (see below), whose sum is σ = 33705690. Its totient is φ = 11235228.

The previous prime is 22470439. The next prime is 22470473. The reversal of 22470458 is 85407422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22401289 + 69169 = 4733^2 + 263^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5617613 + ... + 5617616.

Almost surely, 2^22470458 is an apocalyptic number.

22470458 is a deficient number, since it is larger than the sum of its proper divisors (11235232).

22470458 is a wasteful number, since it uses less digits than its factorization.

22470458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11235231.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 22470458 is about 4740.3014672065. The cubic root of 22470458 is about 282.1871986100.

The spelling of 22470458 in words is "twenty-two million, four hundred seventy thousand, four hundred fifty-eight".