18226562 has 8 divisors (see below), whose sum is σ = 27390096. Its totient is φ = 9096532.

The previous prime is 18226517. The next prime is 18226573. The reversal of 18226562 is 26562281.

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

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, 6968 + ... + 9219.

It is an arithmetic number, because the mean of its divisors is an integer number (3423762).

Almost surely, 2^18226562 is an apocalyptic number.

18226562 is a deficient number, since it is larger than the sum of its proper divisors (9163534).

18226562 is a wasteful number, since it uses less digits than its factorization.

18226562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16752.

The product of its digits is 11520, while the sum is 32.

The square root of 18226562 is about 4269.2577809263. The cubic root of 18226562 is about 263.1691144395.

The spelling of 18226562 in words is "eighteen million, two hundred twenty-six thousand, five hundred sixty-two".