22940577 has 20 divisors (see below), whose sum is σ = 37386096. Its totient is φ = 13902840.

The previous prime is 22940563. The next prime is 22940579. The reversal of 22940577 is 77504922.

It is not a de Polignac number, because 22940577 - 2¹² = 22936481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22940579) 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, 11983 + ... + 13764.

Almost surely, 2^22940577 is an apocalyptic number.

22940577 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22940577 is a deficient number, since it is larger than the sum of its proper divisors (14445519).

22940577 is a wasteful number, since it uses less digits than its factorization.

22940577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25770 (or 25761 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 22940577 is about 4789.6322405796. The cubic root of 22940577 is about 284.1415721121.

The spelling of 22940577 in words is "twenty-two million, nine hundred forty thousand, five hundred seventy-seven".