18625244 has 24 divisors (see below), whose sum is σ = 37430400. Its totient is φ = 8020080.

The previous prime is 18625241. The next prime is 18625249. The reversal of 18625244 is 44252681.

It is a self number, because there is not a number n which added to its sum of digits gives 18625244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18625241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10304 + ... + 11975.

It is an arithmetic number, because the mean of its divisors is an integer number (1559600).

Almost surely, 2^18625244 is an apocalyptic number.

It is an amenable number.

18625244 is an abundant number, since it is smaller than the sum of its proper divisors (18805156).

18625244 is a wasteful number, since it uses less digits than its factorization.

18625244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22313 (or 22311 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 18625244 is about 4315.6973943964. The cubic root of 18625244 is about 265.0741171585.

The spelling of 18625244 in words is "eighteen million, six hundred twenty-five thousand, two hundred forty-four".