18248232 has 16 divisors (see below), whose sum is σ = 45620640. Its totient is φ = 6082736.

The previous prime is 18248231. The next prime is 18248233. The reversal of 18248232 is 23284281.

It is an interprime number because it is at equal distance from previous prime (18248231) and next prime (18248233).

It is a super-2 number, since 2×18248232² = 665995942251648, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 18248232.

It is not an unprimeable number, because it can be changed into a prime (18248231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380148 + ... + 380195.

It is an arithmetic number, because the mean of its divisors is an integer number (2851290).

Almost surely, 2^18248232 is an apocalyptic number.

18248232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18248232 is an abundant number, since it is smaller than the sum of its proper divisors (27372408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18248232 is a wasteful number, since it uses less digits than its factorization.

18248232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760352 (or 760348 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 18248232 is about 4271.7949388986. The cubic root of 18248232 is about 263.2733691733.

The spelling of 18248232 in words is "eighteen million, two hundred forty-eight thousand, two hundred thirty-two".