22788760 has 32 divisors (see below), whose sum is σ = 51678000. Its totient is φ = 9043840.

The previous prime is 22788737. The next prime is 22788761. The reversal of 22788760 is 6788722.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22788761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3066 + ... + 7414.

Almost surely, 2^22788760 is an apocalyptic number.

22788760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22788760 is an abundant number, since it is smaller than the sum of its proper divisors (28889240).

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

22788760 is a wasteful number, since it uses less digits than its factorization.

22788760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491 (or 4487 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 22788760 is about 4773.7574299497. The cubic root of 22788760 is about 283.5133834446.

The spelling of 22788760 in words is "twenty-two million, seven hundred eighty-eight thousand, seven hundred sixty".