122444220 has 48 divisors (see below), whose sum is σ = 350824320. Its totient is φ = 31891776.

The previous prime is 122444209. The next prime is 122444221. The reversal of 122444220 is 22444221.

It is a super-2 number, since 2×122444220² = 29985174022816800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122444221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21150 + ... + 26309.

It is an arithmetic number, because the mean of its divisors is an integer number (7308840).

Almost surely, 2^122444220 is an apocalyptic number.

122444220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122444220 is an abundant number, since it is smaller than the sum of its proper divisors (228380100).

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

122444220 is a wasteful number, since it uses less digits than its factorization.

122444220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47514 (or 47512 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 122444220 is about 11065.4516401275. The cubic root of 122444220 is about 496.5688009406.

Adding to 122444220 its reverse (22444221), we get a palindrome (144888441).

Subtracting from 122444220 its reverse (22444221), we obtain a palindrome (99999999).

The spelling of 122444220 in words is "one hundred twenty-two million, four hundred forty-four thousand, two hundred twenty".