18622485 has 24 divisors (see below), whose sum is σ = 36890880. Its totient is φ = 8512992.

The previous prime is 18622469. The next prime is 18622493. The reversal of 18622485 is 58422681.

It is not a de Polignac number, because 18622485 - 2⁴ = 18622469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29245 + ... + 29874.

It is an arithmetic number, because the mean of its divisors is an integer number (1537120).

Almost surely, 2^18622485 is an apocalyptic number.

18622485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18622485 is a deficient number, since it is larger than the sum of its proper divisors (18268395).

18622485 is a wasteful number, since it uses less digits than its factorization.

18622485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59137 (or 59134 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 18622485 is about 4315.3777354943. The cubic root of 18622485 is about 265.0610278338.

The spelling of 18622485 in words is "eighteen million, six hundred twenty-two thousand, four hundred eighty-five".