122978322 has 24 divisors (see below), whose sum is σ = 267209280. Its totient is φ = 40876440.

The previous prime is 122978321. The next prime is 122978327. The reversal of 122978322 is 223879221.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (122978321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3054 + ... + 15977.

It is an arithmetic number, because the mean of its divisors is an integer number (11133720).

Almost surely, 2^122978322 is an apocalyptic number.

122978322 is an abundant number, since it is smaller than the sum of its proper divisors (144230958).

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

122978322 is a wasteful number, since it uses less digits than its factorization.

122978322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19398 (or 19395 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 122978322 is about 11089.5591436269. The cubic root of 122978322 is about 497.2897651308.

The spelling of 122978322 in words is "one hundred twenty-two million, nine hundred seventy-eight thousand, three hundred twenty-two".