16859122 has 16 divisors (see below), whose sum is σ = 29189952. Its totient is φ = 7153200.

The previous prime is 16859113. The next prime is 16859149. The reversal of 16859122 is 22195861.

It is a super-2 number, since 2×16859122² = 568459989221768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4548 + ... + 7375.

It is an arithmetic number, because the mean of its divisors is an integer number (1824372).

Almost surely, 2^16859122 is an apocalyptic number.

16859122 is a deficient number, since it is larger than the sum of its proper divisors (12330830).

16859122 is a wasteful number, since it uses less digits than its factorization.

16859122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12033.

The product of its digits is 8640, while the sum is 34.

The square root of 16859122 is about 4105.9861178528. The cubic root of 16859122 is about 256.4159193551.

The spelling of 16859122 in words is "sixteen million, eight hundred fifty-nine thousand, one hundred twenty-two".