122441664 has 28 divisors (see below), whose sum is σ = 323960744. Its totient is φ = 40813824.

The previous prime is 122441663. The next prime is 122441699. The reversal of 122441664 is 466144221.

It is a happy number.

It is a super-2 number, since 2×122441664² = 29983922166177792, which contains 22 as substring.

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 (122441663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318667 + ... + 319050.

Almost surely, 2^122441664 is an apocalyptic number.

It is an amenable number.

122441664 is an abundant number, since it is smaller than the sum of its proper divisors (201519080).

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

122441664 is an equidigital number, since it uses as much as digits as its factorization.

122441664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637732 (or 637722 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 122441664 is about 11065.3361449167. The cubic root of 122441664 is about 496.5653456566.

Adding to 122441664 its reverse (466144221), we get a palindrome (588585885).

The spelling of 122441664 in words is "one hundred twenty-two million, four hundred forty-one thousand, six hundred sixty-four".