18229322 has 16 divisors (see below), whose sum is σ = 28868640. Its totient is φ = 8609328.

The previous prime is 18229261. The next prime is 18229327. The reversal of 18229322 is 22392281.

It is not an unprimeable number, because it can be changed into a prime (18229327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20348 + ... + 21224.

It is an arithmetic number, because the mean of its divisors is an integer number (1804290).

Almost surely, 2^18229322 is an apocalyptic number.

18229322 is a deficient number, since it is larger than the sum of its proper divisors (10639318).

18229322 is a wasteful number, since it uses less digits than its factorization.

18229322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445.

The product of its digits is 3456, while the sum is 29.

The square root of 18229322 is about 4269.5810098884. The cubic root of 18229322 is about 263.1823974364.

The spelling of 18229322 in words is "eighteen million, two hundred twenty-nine thousand, three hundred twenty-two".