18799922 has 8 divisors (see below), whose sum is σ = 28962156. Its totient is φ = 9145872.

The previous prime is 18799903. The next prime is 18799933. The reversal of 18799922 is 22999781.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18671041 + 128881 = 4321^2 + 359^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126953 + ... + 127100.

Almost surely, 2^18799922 is an apocalyptic number.

18799922 is a deficient number, since it is larger than the sum of its proper divisors (10162234).

18799922 is a wasteful number, since it uses less digits than its factorization.

18799922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254092.

The product of its digits is 163296, while the sum is 47.

The square root of 18799922 is about 4335.8876830472. The cubic root of 18799922 is about 265.9002113116.

The spelling of 18799922 in words is "eighteen million, seven hundred ninety-nine thousand, nine hundred twenty-two".