18822704 has 40 divisors (see below), whose sum is σ = 38057088. Its totient is φ = 9008640.

The previous prime is 18822697. The next prime is 18822721. The reversal of 18822704 is 40722881.

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, 67814 + ... + 68090.

Almost surely, 2^18822704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18822704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19028544).

18822704 is an abundant number, since it is smaller than the sum of its proper divisors (19234384).

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

18822704 is a wasteful number, since it uses less digits than its factorization.

18822704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 18822704 is about 4338.5140313246. The cubic root of 18822704 is about 266.0075751136.

The spelling of 18822704 in words is "eighteen million, eight hundred twenty-two thousand, seven hundred four".