22488770 has 16 divisors (see below), whose sum is σ = 40791168. Its totient is φ = 8926320.

The previous prime is 22488769. The next prime is 22488803. The reversal of 22488770 is 7788422.

It is a super-2 number, since 2×22488770² = 1011489552225800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7274 + ... + 9893.

It is an arithmetic number, because the mean of its divisors is an integer number (2549448).

Almost surely, 2^22488770 is an apocalyptic number.

22488770 is a deficient number, since it is larger than the sum of its proper divisors (18302398).

22488770 is a wasteful number, since it uses less digits than its factorization.

22488770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17305.

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 22488770 is about 4742.2325965731. The cubic root of 22488770 is about 282.2638326942.

The spelling of 22488770 in words is "twenty-two million, four hundred eighty-eight thousand, seven hundred seventy".