18442802 has 16 divisors (see below), whose sum is σ = 31931712. Its totient is φ = 7825200.

The previous prime is 18442789. The next prime is 18442817. The reversal of 18442802 is 20824481.

It is a super-2 number, since 2×18442802² = 680273891222408, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 5108 + ... + 7935.

It is an arithmetic number, because the mean of its divisors is an integer number (1995732).

Almost surely, 2^18442802 is an apocalyptic number.

18442802 is a deficient number, since it is larger than the sum of its proper divisors (13488910).

18442802 is a wasteful number, since it uses less digits than its factorization.

18442802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13153.

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 18442802 is about 4294.5083537001. The cubic root of 18442802 is about 264.2057720019.

The spelling of 18442802 in words is "eighteen million, four hundred forty-two thousand, eight hundred two".