122333221 has 2 divisors, whose sum is σ = 122333222. Its totient is φ = 122333220.

The previous prime is 122333219. The next prime is 122333231.

122333221 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78588225 + 43744996 = 8865^2 + 6614^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 122333221 - 2¹ = 122333219 is a prime.

Together with 122333219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122333231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61166610 + 61166611.

It is an arithmetic number, because the mean of its divisors is an integer number (61166611).

Almost surely, 2^122333221 is an apocalyptic number.

It is an amenable number.

122333221 is a deficient number, since it is larger than the sum of its proper divisors (1).

122333221 is an equidigital number, since it uses as much as digits as its factorization.

122333221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 19.

The square root of 122333221 is about 11060.4349371984. The cubic root of 122333221 is about 496.4187045559.

The spelling of 122333221 in words is "one hundred twenty-two million, three hundred thirty-three thousand, two hundred twenty-one".