122445444 has 48 divisors (see below), whose sum is σ = 314475840. Its totient is φ = 36771840.

The previous prime is 122445413. The next prime is 122445457. The reversal of 122445444 is 444544221.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10812 + ... + 19020.

It is an arithmetic number, because the mean of its divisors is an integer number (6551580).

Almost surely, 2^122445444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122445444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157237920).

122445444 is an abundant number, since it is smaller than the sum of its proper divisors (192030396).

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

122445444 is a wasteful number, since it uses less digits than its factorization.

122445444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8340 (or 8338 counting only the distinct ones).

The product of its digits is 20480, while the sum is 30.

The square root of 122445444 is about 11065.5069472664. The cubic root of 122445444 is about 496.5704555667.

Adding to 122445444 its reverse (444544221), we get a palindrome (566989665).

The spelling of 122445444 in words is "one hundred twenty-two million, four hundred forty-five thousand, four hundred forty-four".