18098622 has 24 divisors (see below), whose sum is σ = 39584376. Its totient is φ = 5975856.

The previous prime is 18098617. The next prime is 18098623. The reversal of 18098622 is 22689081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18098623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2773 + ... + 6624.

It is an arithmetic number, because the mean of its divisors is an integer number (1649349).

Almost surely, 2^18098622 is an apocalyptic number.

18098622 is an abundant number, since it is smaller than the sum of its proper divisors (21485754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18098622 is a wasteful number, since it uses less digits than its factorization.

18098622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9512 (or 9509 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 18098622 is about 4254.2475245336. The cubic root of 18098622 is about 262.5519026621.

The spelling of 18098622 in words is "eighteen million, ninety-eight thousand, six hundred twenty-two".