122219923 has 4 divisors (see below), whose sum is σ = 139679920. Its totient is φ = 104759928.

The previous prime is 122219869. The next prime is 122219939. The reversal of 122219923 is 329912221.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-122219923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122219983) 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, 8729988 + ... + 8730001.

It is an arithmetic number, because the mean of its divisors is an integer number (34919980).

Almost surely, 2^122219923 is an apocalyptic number.

122219923 is a deficient number, since it is larger than the sum of its proper divisors (17459997).

122219923 is an equidigital number, since it uses as much as digits as its factorization.

122219923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17459996.

The product of its digits is 3888, while the sum is 31.

The square root of 122219923 is about 11055.3119811247. The cubic root of 122219923 is about 496.2654057274.

The spelling of 122219923 in words is "one hundred twenty-two million, two hundred nineteen thousand, nine hundred twenty-three".