18214132 has 12 divisors (see below), whose sum is σ = 32060196. Its totient is φ = 9054080.

The previous prime is 18214111. The next prime is 18214171. The reversal of 18214132 is 23141281.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16859236 + 1354896 = 4106^2 + 1164^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12469 + ... + 13852.

It is an arithmetic number, because the mean of its divisors is an integer number (2671683).

Almost surely, 2^18214132 is an apocalyptic number.

It is an amenable number.

18214132 is a deficient number, since it is larger than the sum of its proper divisors (13846064).

18214132 is a wasteful number, since it uses less digits than its factorization.

18214132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26498 (or 26496 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 18214132 is about 4267.8017760904. The cubic root of 18214132 is about 263.1092762028.

The spelling of 18214132 in words is "eighteen million, two hundred fourteen thousand, one hundred thirty-two".