22406736 has 40 divisors (see below), whose sum is σ = 63147744. Its totient is φ = 6789760.

The previous prime is 22406717. The next prime is 22406753. The reversal of 22406736 is 63760422.

It is a congruent number.

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, 20691 + ... + 21746.

Almost surely, 2^22406736 is an apocalyptic number.

It is an amenable number.

22406736 is an abundant number, since it is smaller than the sum of its proper divisors (40741008).

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

22406736 is a wasteful number, since it uses less digits than its factorization.

22406736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42459 (or 42453 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 22406736 is about 4733.5753928717. The cubic root of 22406736 is about 281.9202027628.

The spelling of 22406736 in words is "twenty-two million, four hundred six thousand, seven hundred thirty-six".