8815922 has 4 divisors (see below), whose sum is σ = 13223886. Its totient is φ = 4407960.

The previous prime is 8815909. The next prime is 8815949. The reversal of 8815922 is 2295188.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8814961 + 961 = 2969^2 + 31^2 .

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2203979 + ... + 2203982.

Almost surely, 2^8815922 is an apocalyptic number.

8815922 is a deficient number, since it is larger than the sum of its proper divisors (4407964).

8815922 is a wasteful number, since it uses less digits than its factorization.

8815922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407963.

The product of its digits is 11520, while the sum is 35.

The square root of 8815922 is about 2969.1618345924. The cubic root of 8815922 is about 206.5804629498.

The spelling of 8815922 in words is "eight million, eight hundred fifteen thousand, nine hundred twenty-two".