22714540 has 24 divisors (see below), whose sum is σ = 49346640. Its totient is φ = 8772288.

The previous prime is 22714493. The next prime is 22714561. The reversal of 22714540 is 4541722.

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, 19002 + ... + 20161.

It is an arithmetic number, because the mean of its divisors is an integer number (2056110).

Almost surely, 2^22714540 is an apocalyptic number.

22714540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22714540 is an abundant number, since it is smaller than the sum of its proper divisors (26632100).

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

22714540 is a wasteful number, since it uses less digits than its factorization.

22714540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39201 (or 39199 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 22714540 is about 4765.9773394342. The cubic root of 22714540 is about 283.2052600713.

The spelling of 22714540 in words is "twenty-two million, seven hundred fourteen thousand, five hundred forty".