122223257 has 16 divisors (see below), whose sum is σ = 138989760. Its totient is φ = 106546752.

The previous prime is 122223253. The next prime is 122223259. The reversal of 122223257 is 752322221.

It is not a de Polignac number, because 122223257 - 2² = 122223253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122223253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108863 + ... + 109979.

It is an arithmetic number, because the mean of its divisors is an integer number (8686860).

Almost surely, 2^122223257 is an apocalyptic number.

It is an amenable number.

122223257 is a deficient number, since it is larger than the sum of its proper divisors (16766503).

122223257 is a wasteful number, since it uses less digits than its factorization.

122223257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592.

The product of its digits is 3360, while the sum is 26.

The square root of 122223257 is about 11055.4627673381. The cubic root of 122223257 is about 496.2699181772.

Adding to 122223257 its reverse (752322221), we get a palindrome (874545478).

The spelling of 122223257 in words is "one hundred twenty-two million, two hundred twenty-three thousand, two hundred fifty-seven".