122444224 has 28 divisors (see below), whose sum is σ = 277687024. Its totient is φ = 52475904.

The previous prime is 122444221. The next prime is 122444243. The reversal of 122444224 is 422444221.

It is a tau number, because it is divible by the number of its divisors (28).

It is a nude number because it is divisible by every one of its digits.

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 3 ways as a sum of consecutive naturals, for example, 136209 + ... + 137104.

Almost surely, 2^122444224 is an apocalyptic number.

122444224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122444224 is an abundant number, since it is smaller than the sum of its proper divisors (155242800).

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

122444224 is an equidigital number, since it uses as much as digits as its factorization.

122444224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273332 (or 273322 counting only the distinct ones).

The product of its digits is 4096, while the sum is 25.

The square root of 122444224 is about 11065.4518208702. The cubic root of 122444224 is about 496.5688063479.

Adding to 122444224 its reverse (422444221), we get a palindrome (544888445).

The spelling of 122444224 in words is "one hundred twenty-two million, four hundred forty-four thousand, two hundred twenty-four".