22987752 has 16 divisors (see below), whose sum is σ = 57469440. Its totient is φ = 7662576.

The previous prime is 22987751. The next prime is 22987753. The reversal of 22987752 is 25778922.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22987751) and next prime (22987753).

It is not an unprimeable number, because it can be changed into a prime (22987751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478888 + ... + 478935.

It is an arithmetic number, because the mean of its divisors is an integer number (3591840).

Almost surely, 2^22987752 is an apocalyptic number.

It is an amenable number.

22987752 is an abundant number, since it is smaller than the sum of its proper divisors (34481688).

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

22987752 is a wasteful number, since it uses less digits than its factorization.

22987752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957832 (or 957828 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 22987752 is about 4794.5544109959. The cubic root of 22987752 is about 284.3362083221.

The spelling of 22987752 in words is "twenty-two million, nine hundred eighty-seven thousand, seven hundred fifty-two".