18662245 has 16 divisors (see below), whose sum is σ = 26287488. Its totient is φ = 12450240.

The previous prime is 18662239. The next prime is 18662251. The reversal of 18662245 is 54226681.

It is an interprime number because it is at equal distance from previous prime (18662239) and next prime (18662251).

It is not a de Polignac number, because 18662245 - 2¹¹ = 18660197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18662245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5911 + ... + 8500.

It is an arithmetic number, because the mean of its divisors is an integer number (1642968).

Almost surely, 2^18662245 is an apocalyptic number.

It is an amenable number.

18662245 is a deficient number, since it is larger than the sum of its proper divisors (7625243).

18662245 is a wasteful number, since it uses less digits than its factorization.

18662245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14460.

The product of its digits is 23040, while the sum is 34.

The square root of 18662245 is about 4319.9820601479. The cubic root of 18662245 is about 265.2495335574.

The spelling of 18662245 in words is "eighteen million, six hundred sixty-two thousand, two hundred forty-five".