122224631 has 2 divisors, whose sum is σ = 122224632. Its totient is φ = 122224630.

The previous prime is 122224621. The next prime is 122224633. The reversal of 122224631 is 136422221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122224631 is a prime.

It is a super-2 number, since 2×122224631² = 29877720846172322, which contains 22 as substring.

Together with 122224633, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 122224597 and 122224606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122224633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61112315 + 61112316.

It is an arithmetic number, because the mean of its divisors is an integer number (61112316).

Almost surely, 2^122224631 is an apocalyptic number.

122224631 is a deficient number, since it is larger than the sum of its proper divisors (1).

122224631 is an equidigital number, since it uses as much as digits as its factorization.

122224631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 122224631 is about 11055.5249083886. The cubic root of 122224631 is about 496.2717778133.

Adding to 122224631 its reverse (136422221), we get a palindrome (258646852).

The spelling of 122224631 in words is "one hundred twenty-two million, two hundred twenty-four thousand, six hundred thirty-one".