122219413 has 2 divisors, whose sum is σ = 122219414. Its totient is φ = 122219412.

The previous prime is 122219407. The next prime is 122219423. The reversal of 122219413 is 314912221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112720689 + 9498724 = 10617^2 + 3082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122219413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122219423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61109706 + 61109707.

It is an arithmetic number, because the mean of its divisors is an integer number (61109707).

Almost surely, 2^122219413 is an apocalyptic number.

It is an amenable number.

122219413 is a deficient number, since it is larger than the sum of its proper divisors (1).

122219413 is an equidigital number, since it uses as much as digits as its factorization.

122219413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 122219413 is about 11055.2889152659. The cubic root of 122219413 is about 496.2647154534.

The spelling of 122219413 in words is "one hundred twenty-two million, two hundred nineteen thousand, four hundred thirteen".