122244220 has 36 divisors (see below), whose sum is σ = 298627560. Its totient is φ = 41911968.

The previous prime is 122244197. The next prime is 122244277. The reversal of 122244220 is 22442221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61390 + ... + 63349.

It is an arithmetic number, because the mean of its divisors is an integer number (8295210).

Almost surely, 2^122244220 is an apocalyptic number.

122244220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122244220 is an abundant number, since it is smaller than the sum of its proper divisors (176383340).

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

122244220 is a wasteful number, since it uses less digits than its factorization.

122244220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124762 (or 124753 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 122244220 is about 11056.4108100233. The cubic root of 122244220 is about 496.2982889686.

Adding to 122244220 its reverse (22442221), we get a palindrome (144686441).

The spelling of 122244220 in words is "one hundred twenty-two million, two hundred forty-four thousand, two hundred twenty".