18229352 has 16 divisors (see below), whose sum is σ = 34513440. Its totient is φ = 9025776.

The previous prime is 18229331. The next prime is 18229361. The reversal of 18229352 is 25392281.

It is a happy 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, 10238 + ... + 11885.

It is an arithmetic number, because the mean of its divisors is an integer number (2157090).

Almost surely, 2^18229352 is an apocalyptic number.

It is an amenable number.

18229352 is a deficient number, since it is larger than the sum of its proper divisors (16284088).

18229352 is a wasteful number, since it uses less digits than its factorization.

18229352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22232 (or 22228 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 18229352 is about 4269.5845231123. The cubic root of 18229352 is about 263.1825418094.

It can be divided in two parts, 18229 and 352, that added together give a palindrome (18581).

The spelling of 18229352 in words is "eighteen million, two hundred twenty-nine thousand, three hundred fifty-two".