8440122 has 16 divisors (see below), whose sum is σ = 17425152. Its totient is φ = 2722560.

The previous prime is 8440097. The next prime is 8440139. The reversal of 8440122 is 2210448.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22503 + ... + 22874.

It is an arithmetic number, because the mean of its divisors is an integer number (1089072).

Almost surely, 2^8440122 is an apocalyptic number.

8440122 is an abundant number, since it is smaller than the sum of its proper divisors (8985030).

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

8440122 is a wasteful number, since it uses less digits than its factorization.

8440122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45413.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 8440122 is about 2905.1888062568. The cubic root of 8440122 is about 203.6024070695.

The spelling of 8440122 in words is "eight million, four hundred forty thousand, one hundred twenty-two".