122288392 has 16 divisors (see below), whose sum is σ = 230966460. Its totient is φ = 60697344.

The previous prime is 122288381. The next prime is 122288417. The reversal of 122288392 is 293882221.

It can be written as a sum of positive squares in 2 ways, for example, as 121572676 + 715716 = 11026^2 + 846^2 .

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 3 ways as a sum of consecutive naturals, for example, 54693 + ... + 56884.

Almost surely, 2^122288392 is an apocalyptic number.

It is an amenable number.

122288392 is a deficient number, since it is larger than the sum of its proper divisors (108678068).

122288392 is a wasteful number, since it uses less digits than its factorization.

122288392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111720 (or 111716 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 122288392 is about 11058.4082037154. The cubic root of 122288392 is about 496.3580596147.

The spelling of 122288392 in words is "one hundred twenty-two million, two hundred eighty-eight thousand, three hundred ninety-two".