122222997 has 36 divisors (see below), whose sum is σ = 193212864. Its totient is φ = 74412000.

The previous prime is 122222981. The next prime is 122222999. The reversal of 122222997 is 799222221.

It is not a de Polignac number, because 122222997 - 2⁴ = 122222981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222999) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 162372 + ... + 163122.

It is an arithmetic number, because the mean of its divisors is an integer number (5367024).

Almost surely, 2^122222997 is an apocalyptic number.

It is an amenable number.

122222997 is a deficient number, since it is larger than the sum of its proper divisors (70989867).

122222997 is a wasteful number, since it uses less digits than its factorization.

122222997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 874 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 122222997 is about 11055.4510084392. The cubic root of 122222997 is about 496.2695662795.

The spelling of 122222997 in words is "one hundred twenty-two million, two hundred twenty-two thousand, nine hundred ninety-seven".