122422309 has 4 divisors (see below), whose sum is σ = 122446240. Its totient is φ = 122398380.

The previous prime is 122422297. The next prime is 122422331. The reversal of 122422309 is 903224221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122422309 - 2⁵ = 122422277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122422609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849 + ... + 15670.

It is an arithmetic number, because the mean of its divisors is an integer number (30611560).

Almost surely, 2^122422309 is an apocalyptic number.

It is an amenable number.

122422309 is a deficient number, since it is larger than the sum of its proper divisors (23931).

122422309 is an equidigital number, since it uses as much as digits as its factorization.

122422309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23930.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 122422309 is about 11064.4615323115. The cubic root of 122422309 is about 496.5391793762.

The spelling of 122422309 in words is "one hundred twenty-two million, four hundred twenty-two thousand, three hundred nine".