22738646 has 24 divisors (see below), whose sum is σ = 40755456. Its totient is φ = 9480240.

The previous prime is 22738627. The next prime is 22738657. The reversal of 22738646 is 64683722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491 + ... + 6761.

It is an arithmetic number, because the mean of its divisors is an integer number (1698144).

Almost surely, 2^22738646 is an apocalyptic number.

22738646 is a deficient number, since it is larger than the sum of its proper divisors (18016810).

22738646 is a wasteful number, since it uses less digits than its factorization.

22738646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6324 (or 6317 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 22738646 is about 4768.5056359409. The cubic root of 22738646 is about 283.3054093203.

The spelling of 22738646 in words is "twenty-two million, seven hundred thirty-eight thousand, six hundred forty-six".