22644668 has 6 divisors (see below), whose sum is σ = 39628176. Its totient is φ = 11322332.

The previous prime is 22644667. The next prime is 22644683. The reversal of 22644668 is 86644622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22644667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830580 + ... + 2830587.

It is an arithmetic number, because the mean of its divisors is an integer number (6604696).

Almost surely, 2^22644668 is an apocalyptic number.

It is an amenable number.

22644668 is a deficient number, since it is larger than the sum of its proper divisors (16983508).

22644668 is a wasteful number, since it uses less digits than its factorization.

22644668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5661171 (or 5661169 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 22644668 is about 4758.6414027535. The cubic root of 22644668 is about 282.9145733907.

The spelling of 22644668 in words is "twenty-two million, six hundred forty-four thousand, six hundred sixty-eight".