122214309 has 16 divisors (see below), whose sum is σ = 197186688. Its totient is φ = 65728512.

The previous prime is 122214283. The next prime is 122214329. The reversal of 122214309 is 903412221.

It is not a de Polignac number, because 122214309 - 2⁷ = 122214181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122214329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170812 + ... + 171525.

It is an arithmetic number, because the mean of its divisors is an integer number (12324168).

Almost surely, 2^122214309 is an apocalyptic number.

It is an amenable number.

122214309 is a deficient number, since it is larger than the sum of its proper divisors (74972379).

122214309 is a wasteful number, since it uses less digits than its factorization.

122214309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342364.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 122214309 is about 11055.0580731175. The cubic root of 122214309 is about 496.2578071936.

The spelling of 122214309 in words is "one hundred twenty-two million, two hundred fourteen thousand, three hundred nine".