122233220 has 12 divisors (see below), whose sum is σ = 256689804. Its totient is φ = 48893280.

The previous prime is 122233207. The next prime is 122233249. The reversal of 122233220 is 22332221.

It can be written as a sum of positive squares in 2 ways, for example, as 74926336 + 47306884 = 8656^2 + 6878^2 .

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, 3055811 + ... + 3055850.

It is an arithmetic number, because the mean of its divisors is an integer number (21390817).

Almost surely, 2^122233220 is an apocalyptic number.

122233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122233220 is an abundant number, since it is smaller than the sum of its proper divisors (134456584).

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

122233220 is a wasteful number, since it uses less digits than its factorization.

122233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6111670 (or 6111668 counting only the distinct ones).

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

The square root of 122233220 is about 11055.9133498775. The cubic root of 122233220 is about 496.2834022527.

Adding to 122233220 its reverse (22332221), we get a palindrome (144565441).

Subtracting from 122233220 its reverse (22332221), we obtain a palindrome (99900999).

The spelling of 122233220 in words is "one hundred twenty-two million, two hundred thirty-three thousand, two hundred twenty".