18098522 has 16 divisors (see below), whose sum is σ = 29455272. Its totient is φ = 8290560.

The previous prime is 18098519. The next prime is 18098527. The reversal of 18098522 is 22589081.

It can be written as a sum of positive squares in 4 ways, for example, as 9740641 + 8357881 = 3121^2 + 2891^2 .

It is not an unprimeable number, because it can be changed into a prime (18098527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022 + ... + 6102.

Almost surely, 2^18098522 is an apocalyptic number.

18098522 is a deficient number, since it is larger than the sum of its proper divisors (11356750).

18098522 is a wasteful number, since it uses less digits than its factorization.

18098522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 18098522 is about 4254.2357715576. The cubic root of 18098522 is about 262.5514191034.

The spelling of 18098522 in words is "eighteen million, ninety-eight thousand, five hundred twenty-two".