122225679 has 10 divisors (see below), whose sum is σ = 182584160. Its totient is φ = 81483732.

The previous prime is 122225669. The next prime is 122225681. The reversal of 122225679 is 976522221.

It is a happy number.

It is not a de Polignac number, because 122225679 - 2⁵ = 122225647 is a prime.

It is a super-2 number, since 2×122225679² = 29878233214022082, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122225669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 754399 + ... + 754560.

It is an arithmetic number, because the mean of its divisors is an integer number (18258416).

Almost surely, 2^122225679 is an apocalyptic number.

122225679 is a deficient number, since it is larger than the sum of its proper divisors (60358481).

122225679 is an equidigital number, since it uses as much as digits as its factorization.

122225679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508971 (or 1508962 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 122225679 is about 11055.5723054033. The cubic root of 122225679 is about 496.2731962162.

The spelling of 122225679 in words is "one hundred twenty-two million, two hundred twenty-five thousand, six hundred seventy-nine".