22893140 has 12 divisors (see below), whose sum is σ = 48075636. Its totient is φ = 9157248.

The previous prime is 22893139. The next prime is 22893217. The reversal of 22893140 is 4139822.

It can be written as a sum of positive squares in 2 ways, for example, as 4813636 + 18079504 = 2194^2 + 4252^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572309 + ... + 572348.

It is an arithmetic number, because the mean of its divisors is an integer number (4006303).

Almost surely, 2^22893140 is an apocalyptic number.

22893140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22893140 is an abundant number, since it is smaller than the sum of its proper divisors (25182496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22893140 is a wasteful number, since it uses less digits than its factorization.

22893140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144666 (or 1144664 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 22893140 is about 4784.6776275942. The cubic root of 22893140 is about 283.9455856868.

The spelling of 22893140 in words is "twenty-two million, eight hundred ninety-three thousand, one hundred forty".