22906394 has 16 divisors (see below), whose sum is σ = 39401856. Its totient is φ = 9783600.

The previous prime is 22906393. The next prime is 22906399. The reversal of 22906394 is 49360922.

It is not an unprimeable number, because it can be changed into a prime (22906391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1724 + ... + 6984.

It is an arithmetic number, because the mean of its divisors is an integer number (2462616).

Almost surely, 2^22906394 is an apocalyptic number.

22906394 is a deficient number, since it is larger than the sum of its proper divisors (16495462).

22906394 is a wasteful number, since it uses less digits than its factorization.

22906394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 22906394 is about 4786.0624734744. The cubic root of 22906394 is about 284.0003719495. Note that the first 3 decimals are identical.

The spelling of 22906394 in words is "twenty-two million, nine hundred six thousand, three hundred ninety-four".