122022209 has 16 divisors (see below), whose sum is σ = 132192000. Its totient is φ = 112214784.

The previous prime is 122022181. The next prime is 122022211. The reversal of 122022209 is 902220221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122022209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122022409) 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, 169352 + ... + 170070.

It is an arithmetic number, because the mean of its divisors is an integer number (8262000).

Almost surely, 2^122022209 is an apocalyptic number.

It is an amenable number.

122022209 is a deficient number, since it is larger than the sum of its proper divisors (10169791).

122022209 is a wasteful number, since it uses less digits than its factorization.

122022209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 122022209 is about 11046.3663256294. The cubic root of 122022209 is about 495.9976600328.

The spelling of 122022209 in words is "one hundred twenty-two million, twenty-two thousand, two hundred nine".