122311229 has 2 divisors, whose sum is σ = 122311230. Its totient is φ = 122311228.

The previous prime is 122311223. The next prime is 122311261. The reversal of 122311229 is 922113221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111408025 + 10903204 = 10555^2 + 3302^2 .

It is a cyclic number.

It is not a de Polignac number, because 122311229 - 2⁸ = 122310973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122311223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61155614 + 61155615.

It is an arithmetic number, because the mean of its divisors is an integer number (61155615).

Almost surely, 2^122311229 is an apocalyptic number.

It is an amenable number.

122311229 is a deficient number, since it is larger than the sum of its proper divisors (1).

122311229 is an equidigital number, since it uses as much as digits as its factorization.

122311229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 23.

The square root of 122311229 is about 11059.4407182280. The cubic root of 122311229 is about 496.3889554975.

The spelling of 122311229 in words is "one hundred twenty-two million, three hundred eleven thousand, two hundred twenty-nine".