122323220 has 12 divisors (see below), whose sum is σ = 256878804. Its totient is φ = 48929280.

The previous prime is 122323183. The next prime is 122323259. The reversal of 122323220 is 22323221.

It can be written as a sum of positive squares in 2 ways, for example, as 20757136 + 101566084 = 4556^2 + 10078^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3058061 + ... + 3058100.

It is an arithmetic number, because the mean of its divisors is an integer number (21406567).

Almost surely, 2^122323220 is an apocalyptic number.

122323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122323220 is an abundant number, since it is smaller than the sum of its proper divisors (134555584).

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

122323220 is a wasteful number, since it uses less digits than its factorization.

122323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6116170 (or 6116168 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 122323220 is about 11059.9828209632. The cubic root of 122323220 is about 496.4051764270.

Adding to 122323220 its reverse (22323221), we get a palindrome (144646441).

Subtracting from 122323220 its reverse (22323221), we obtain a palindrome (99999999).

It can be divided in two parts, 12 and 2323220, that added together give a palindrome (2323232).

The spelling of 122323220 in words is "one hundred twenty-two million, three hundred twenty-three thousand, two hundred twenty".