18222595 has 8 divisors (see below), whose sum is σ = 22040064. Its totient is φ = 14462784.

The previous prime is 18222587. The next prime is 18222613. The reversal of 18222595 is 59522281.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18222595 - 2³ = 18222587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18222595.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13714 + ... + 14983.

It is an arithmetic number, because the mean of its divisors is an integer number (2755008).

Almost surely, 2^18222595 is an apocalyptic number.

18222595 is a deficient number, since it is larger than the sum of its proper divisors (3817469).

18222595 is a wasteful number, since it uses less digits than its factorization.

18222595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28829.

The product of its digits is 14400, while the sum is 34.

The square root of 18222595 is about 4268.7931549795. The cubic root of 18222595 is about 263.1500201889.

The spelling of 18222595 in words is "eighteen million, two hundred twenty-two thousand, five hundred ninety-five".