18441522 has 24 divisors (see below), whose sum is σ = 43589520. Its totient is φ = 5588280.

The previous prime is 18441517. The next prime is 18441541. The reversal of 18441522 is 22514481.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46372 + ... + 46767.

It is an arithmetic number, because the mean of its divisors is an integer number (1816230).

Almost surely, 2^18441522 is an apocalyptic number.

18441522 is an abundant number, since it is smaller than the sum of its proper divisors (25147998).

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

18441522 is a wasteful number, since it uses less digits than its factorization.

18441522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93158 (or 93155 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 18441522 is about 4294.3593235778. The cubic root of 18441522 is about 264.1996595682.

The spelling of 18441522 in words is "eighteen million, four hundred forty-one thousand, five hundred twenty-two".