22663140 has 48 divisors (see below), whose sum is σ = 63685440. Its totient is φ = 6021760.

The previous prime is 22663127. The next prime is 22663153. The reversal of 22663140 is 4136622.

It is an interprime number because it is at equal distance from previous prime (22663127) and next prime (22663153).

It is a self number, because there is not a number n which added to its sum of digits gives 22663140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22855 + ... + 23825.

It is an arithmetic number, because the mean of its divisors is an integer number (1326780).

Almost surely, 2^22663140 is an apocalyptic number.

22663140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22663140 is an abundant number, since it is smaller than the sum of its proper divisors (41022300).

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

22663140 is a wasteful number, since it uses less digits than its factorization.

22663140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372 (or 1370 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22663140 is about 4760.5818972054. The cubic root of 22663140 is about 282.9914800550.

Adding to 22663140 its reverse (4136622), we get a palindrome (26799762).

The spelling of 22663140 in words is "twenty-two million, six hundred sixty-three thousand, one hundred forty".