18822460 has 12 divisors (see below), whose sum is σ = 39527208. Its totient is φ = 7528976.

The previous prime is 18822443. The next prime is 18822467. The reversal of 18822460 is 6422881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18822467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470542 + ... + 470581.

It is an arithmetic number, because the mean of its divisors is an integer number (3293934).

Almost surely, 2^18822460 is an apocalyptic number.

18822460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18822460 is an abundant number, since it is smaller than the sum of its proper divisors (20704748).

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

18822460 is a wasteful number, since it uses less digits than its factorization.

18822460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941132 (or 941130 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 18822460 is about 4338.4859110063. The cubic root of 18822460 is about 266.0064256838.

The spelling of 18822460 in words is "eighteen million, eight hundred twenty-two thousand, four hundred sixty".