22454394 has 16 divisors (see below), whose sum is σ = 46861632. Its totient is φ = 7159328.

The previous prime is 22454387. The next prime is 22454431. The reversal of 22454394 is 49345422.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81219 + ... + 81494.

It is an arithmetic number, because the mean of its divisors is an integer number (2928852).

Almost surely, 2^22454394 is an apocalyptic number.

22454394 is an abundant number, since it is smaller than the sum of its proper divisors (24407238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22454394 is a wasteful number, since it uses less digits than its factorization.

22454394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162741.

The product of its digits is 34560, while the sum is 33.

The square root of 22454394 is about 4738.6067572653. The cubic root of 22454394 is about 282.1199379159.

The spelling of 22454394 in words is "twenty-two million, four hundred fifty-four thousand, three hundred ninety-four".