122219845 has 16 divisors (see below), whose sum is σ = 160990272. Its totient is φ = 88335360.

The previous prime is 122219831. The next prime is 122219869. The reversal of 122219845 is 548912221.

It is not a de Polignac number, because 122219845 - 2⁵ = 122219813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122219845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2149 + ... + 15781.

It is an arithmetic number, because the mean of its divisors is an integer number (10061892).

Almost surely, 2^122219845 is an apocalyptic number.

It is an amenable number.

122219845 is a deficient number, since it is larger than the sum of its proper divisors (38770427).

122219845 is a wasteful number, since it uses less digits than its factorization.

122219845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13812.

The product of its digits is 11520, while the sum is 34.

The square root of 122219845 is about 11055.3084534083. The cubic root of 122219845 is about 496.2653001562.

The spelling of 122219845 in words is "one hundred twenty-two million, two hundred nineteen thousand, eight hundred forty-five".