18322076 has 12 divisors (see below), whose sum is σ = 33457872. Its totient is φ = 8762688.

The previous prime is 18322049. The next prime is 18322079. The reversal of 18322076 is 67022381.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18322079) 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, 99485 + ... + 99668.

It is an arithmetic number, because the mean of its divisors is an integer number (2788156).

Almost surely, 2^18322076 is an apocalyptic number.

It is an amenable number.

18322076 is a deficient number, since it is larger than the sum of its proper divisors (15135796).

18322076 is a wasteful number, since it uses less digits than its factorization.

18322076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199180 (or 199178 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 18322076 is about 4280.4294177103. The cubic root of 18322076 is about 263.6280152871.

The spelling of 18322076 in words is "eighteen million, three hundred twenty-two thousand, seventy-six".