122245552 has 120 divisors (see below), whose sum is σ = 293762448. Its totient is φ = 48576000.

The previous prime is 122245549. The next prime is 122245553. The reversal of 122245552 is 255542221.

It is a self number, because there is not a number n which added to its sum of digits gives 122245552.

It is not an unprimeable number, because it can be changed into a prime (122245553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1210302 + ... + 1210402.

Almost surely, 2^122245552 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 122245552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146881224).

122245552 is an abundant number, since it is smaller than the sum of its proper divisors (171516896).

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

122245552 is a wasteful number, since it uses less digits than its factorization.

122245552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 150 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 122245552 is about 11056.4710464054. The cubic root of 122245552 is about 496.3000915540.

Adding to 122245552 its reverse (255542221), we get a palindrome (377787773).

The spelling of 122245552 in words is "one hundred twenty-two million, two hundred forty-five thousand, five hundred fifty-two".