18622132 has 6 divisors (see below), whose sum is σ = 32588738. Its totient is φ = 9311064.

The previous prime is 18622127. The next prime is 18622171. The reversal of 18622132 is 23122681.

It can be written as a sum of positive squares in only one way, i.e., 13586596 + 5035536 = 3686^2 + 2244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18622097 and 18622106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2327763 + ... + 2327770.

Almost surely, 2^18622132 is an apocalyptic number.

It is an amenable number.

18622132 is a deficient number, since it is larger than the sum of its proper divisors (13966606).

18622132 is a wasteful number, since it uses less digits than its factorization.

18622132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4655537 (or 4655535 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 18622132 is about 4315.3368350570. The cubic root of 18622132 is about 265.0593530280.

The spelling of 18622132 in words is "eighteen million, six hundred twenty-two thousand, one hundred thirty-two".