122455722 has 32 divisors (see below), whose sum is σ = 260236800. Its totient is φ = 38305008.

The previous prime is 122455721. The next prime is 122455763. The reversal of 122455722 is 227554221.

It is a self number, because there is not a number n which added to its sum of digits gives 122455722.

It is not an unprimeable number, because it can be changed into a prime (122455721) 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 15 ways as a sum of consecutive naturals, for example, 7179 + ... + 17217.

It is an arithmetic number, because the mean of its divisors is an integer number (8132400).

Almost surely, 2^122455722 is an apocalyptic number.

122455722 is an abundant number, since it is smaller than the sum of its proper divisors (137781078).

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

122455722 is a wasteful number, since it uses less digits than its factorization.

122455722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170.

The product of its digits is 11200, while the sum is 30.

The square root of 122455722 is about 11065.9713536589. The cubic root of 122455722 is about 496.5843491239.

The spelling of 122455722 in words is "one hundred twenty-two million, four hundred fifty-five thousand, seven hundred twenty-two".