22169138 has 16 divisors (see below), whose sum is σ = 33895680. Its totient is φ = 10872576.

The previous prime is 22169117. The next prime is 22169149. The reversal of 22169138 is 83196122.

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, 30131 + ... + 30857.

It is an arithmetic number, because the mean of its divisors is an integer number (2118480).

Almost surely, 2^22169138 is an apocalyptic number.

22169138 is a deficient number, since it is larger than the sum of its proper divisors (11726542).

22169138 is a wasteful number, since it uses less digits than its factorization.

22169138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001.

The product of its digits is 5184, while the sum is 32.

The square root of 22169138 is about 4708.4114093821. The cubic root of 22169138 is about 280.9201784398.

The spelling of 22169138 in words is "twenty-two million, one hundred sixty-nine thousand, one hundred thirty-eight".