22988730 has 32 divisors (see below), whose sum is σ = 57573504. Its totient is φ = 5863616.

The previous prime is 22988717. The next prime is 22988747. The reversal of 22988730 is 3788922.

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, 15969 + ... + 17348.

It is an arithmetic number, because the mean of its divisors is an integer number (1799172).

Almost surely, 2^22988730 is an apocalyptic number.

22988730 is an abundant number, since it is smaller than the sum of its proper divisors (34584774).

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

22988730 is a wasteful number, since it uses less digits than its factorization.

22988730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33350.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 22988730 is about 4794.6564006193. The cubic root of 22988730 is about 284.3402405689.

The spelling of 22988730 in words is "twenty-two million, nine hundred eighty-eight thousand, seven hundred thirty".