18010232 has 8 divisors (see below), whose sum is σ = 33769200. Its totient is φ = 9005112.

The previous prime is 18010229. The next prime is 18010241. The reversal of 18010232 is 23201081.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 18010232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125632 + ... + 1125647.

It is an arithmetic number, because the mean of its divisors is an integer number (4221150).

Almost surely, 2^18010232 is an apocalyptic number.

It is an amenable number.

18010232 is a deficient number, since it is larger than the sum of its proper divisors (15758968).

18010232 is a wasteful number, since it uses less digits than its factorization.

18010232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251285 (or 2251281 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 18010232 is about 4243.8463685671. The cubic root of 18010232 is about 262.1237882107.

The spelling of 18010232 in words is "eighteen million, ten thousand, two hundred thirty-two".