22714240 has 32 divisors (see below), whose sum is σ = 54302760. Its totient is φ = 9085440.

The previous prime is 22714231. The next prime is 22714267. The reversal of 22714240 is 4241722.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17106 + ... + 18385.

Almost surely, 2^22714240 is an apocalyptic number.

22714240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22714240 is an abundant number, since it is smaller than the sum of its proper divisors (31588520).

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

22714240 is an equidigital number, since it uses as much as digits as its factorization.

22714240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35510 (or 35498 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 22714240 is about 4765.9458662473. The cubic root of 22714240 is about 283.2040132641.

Adding to 22714240 its reverse (4241722), we get a palindrome (26955962).

The spelling of 22714240 in words is "twenty-two million, seven hundred fourteen thousand, two hundred forty".