122230013 has 4 divisors (see below), whose sum is σ = 122535228. Its totient is φ = 121924800.

The previous prime is 122229977. The next prime is 122230057. The reversal of 122230013 is 310032221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85784644 + 36445369 = 9262^2 + 6037^2 .

It is a cyclic number.

It is not a de Polignac number, because 122230013 - 2²⁴ = 105452797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122230013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122230513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152006 + ... + 152807.

It is an arithmetic number, because the mean of its divisors is an integer number (30633807).

Almost surely, 2^122230013 is an apocalyptic number.

It is an amenable number.

122230013 is a deficient number, since it is larger than the sum of its proper divisors (305215).

122230013 is an equidigital number, since it uses as much as digits as its factorization.

122230013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305214.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 122230013 is about 11055.7683134190. The cubic root of 122230013 is about 496.2790619302.

Adding to 122230013 its reverse (310032221), we get a palindrome (432262234).

The spelling of 122230013 in words is "one hundred twenty-two million, two hundred thirty thousand, thirteen".