22646606 has 4 divisors (see below), whose sum is σ = 33969912. Its totient is φ = 11323302.

The previous prime is 22646597. The next prime is 22646609. The reversal of 22646606 is 60664622.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22646609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661650 + ... + 5661653.

It is an arithmetic number, because the mean of its divisors is an integer number (8492478).

Almost surely, 2^22646606 is an apocalyptic number.

22646606 is a deficient number, since it is larger than the sum of its proper divisors (11323306).

22646606 is a wasteful number, since it uses less digits than its factorization.

22646606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11323305.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 22646606 is about 4758.8450279453. The cubic root of 22646606 is about 282.9226440589.

The spelling of 22646606 in words is "twenty-two million, six hundred forty-six thousand, six hundred six".