22452394 has 8 divisors (see below), whose sum is σ = 33717348. Its totient is φ = 11213280.

The previous prime is 22452389. The next prime is 22452403. The reversal of 22452394 is 49325422.

It can be written as a sum of positive squares in 2 ways, for example, as 22439169 + 13225 = 4737^2 + 115^2 .

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, 4117 + ... + 7864.

Almost surely, 2^22452394 is an apocalyptic number.

22452394 is a deficient number, since it is larger than the sum of its proper divisors (11264954).

22452394 is a wasteful number, since it uses less digits than its factorization.

22452394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12920.

The product of its digits is 17280, while the sum is 31.

The square root of 22452394 is about 4738.3957200724. The cubic root of 22452394 is about 282.1115615802. Note that the first 3 decimals are identical.

The spelling of 22452394 in words is "twenty-two million, four hundred fifty-two thousand, three hundred ninety-four".