18268622 has 8 divisors (see below), whose sum is σ = 27812136. Its totient is φ = 8997912.

The previous prime is 18268619. The next prime is 18268643. The reversal of 18268622 is 22686281.

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

It is a congruent 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, 68033 + ... + 68300.

It is an arithmetic number, because the mean of its divisors is an integer number (3476517).

Almost surely, 2^18268622 is an apocalyptic number.

18268622 is a deficient number, since it is larger than the sum of its proper divisors (9543514).

18268622 is a wasteful number, since it uses less digits than its factorization.

18268622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136402.

The product of its digits is 18432, while the sum is 35.

The square root of 18268622 is about 4274.1808571936. The cubic root of 18268622 is about 263.3713904654.

The spelling of 18268622 in words is "eighteen million, two hundred sixty-eight thousand, six hundred twenty-two".