22350394 has 12 divisors (see below), whose sum is σ = 36850842. Its totient is φ = 10159160.

The previous prime is 22350373. The next prime is 22350401. The reversal of 22350394 is 49305322.

It can be written as a sum of positive squares in only one way, i.e., 17749369 + 4601025 = 4213^2 + 2145^2 .

It is a super-2 number, since 2×22350394² = 999080223910472, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 45937 + ... + 46420.

Almost surely, 2^22350394 is an apocalyptic number.

22350394 is a deficient number, since it is larger than the sum of its proper divisors (14500448).

22350394 is a wasteful number, since it uses less digits than its factorization.

22350394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92381 (or 92370 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 22350394 is about 4727.6203316256. The cubic root of 22350394 is about 281.6837072114.

The spelling of 22350394 in words is "twenty-two million, three hundred fifty thousand, three hundred ninety-four".