122225429 has 2 divisors, whose sum is σ = 122225430. Its totient is φ = 122225428.

The previous prime is 122225413. The next prime is 122225431. The reversal of 122225429 is 924522221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115455025 + 6770404 = 10745^2 + 2602^2 .

It is a cyclic number.

It is not a de Polignac number, because 122225429 - 2⁴ = 122225413 is a prime.

Together with 122225431, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122227429) 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 as a sum of consecutive naturals, namely, 61112714 + 61112715.

It is an arithmetic number, because the mean of its divisors is an integer number (61112715).

Almost surely, 2^122225429 is an apocalyptic number.

It is an amenable number.

122225429 is a deficient number, since it is larger than the sum of its proper divisors (1).

122225429 is an equidigital number, since it uses as much as digits as its factorization.

122225429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 122225429 is about 11055.5609988820. The cubic root of 122225429 is about 496.2728578575.

The spelling of 122225429 in words is "one hundred twenty-two million, two hundred twenty-five thousand, four hundred twenty-nine".