22987160 has 64 divisors (see below), whose sum is σ = 60264000. Its totient is φ = 7727616.

The previous prime is 22987123. The next prime is 22987193. The reversal of 22987160 is 6178922.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 22987160.

It is a congruent number.

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, 14066 + ... + 15614.

It is an arithmetic number, because the mean of its divisors is an integer number (941625).

Almost surely, 2^22987160 is an apocalyptic number.

22987160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22987160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30132000).

22987160 is an abundant number, since it is smaller than the sum of its proper divisors (37276840).

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

22987160 is a wasteful number, since it uses less digits than its factorization.

22987160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 22987160 is about 4794.4926738916. The cubic root of 22987160 is about 284.3337674792. Note that the first 3 decimals are identical.

The spelling of 22987160 in words is "twenty-two million, nine hundred eighty-seven thousand, one hundred sixty".