22138677 has 20 divisors (see below), whose sum is σ = 36079296. Its totient is φ = 13416840.

The previous prime is 22138651. The next prime is 22138733. The reversal of 22138677 is 77683122.

It is not a de Polignac number, because 22138677 - 2¹⁹ = 21614389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22178677) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11533 + ... + 13314.

Almost surely, 2^22138677 is an apocalyptic number.

22138677 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22138677 is a deficient number, since it is larger than the sum of its proper divisors (13940619).

22138677 is a wasteful number, since it uses less digits than its factorization.

22138677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24870 (or 24861 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 22138677 is about 4705.1755546419. The cubic root of 22138677 is about 280.7914554709.

The spelling of 22138677 in words is "twenty-two million, one hundred thirty-eight thousand, six hundred seventy-seven".