122220313 has 4 divisors (see below), whose sum is σ = 122376400. Its totient is φ = 122064228.

The previous prime is 122220311. The next prime is 122220317. The reversal of 122220313 is 313022221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122220313 - 2¹ = 122220311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122220311) 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, 76863 + ... + 78436.

It is an arithmetic number, because the mean of its divisors is an integer number (30594100).

Almost surely, 2^122220313 is an apocalyptic number.

It is an amenable number.

122220313 is a deficient number, since it is larger than the sum of its proper divisors (156087).

122220313 is an equidigital number, since it uses as much as digits as its factorization.

122220313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156086.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 122220313 is about 11055.3296196902. The cubic root of 122220313 is about 496.2659335827.

Adding to 122220313 its reverse (313022221), we get a palindrome (435242534).

The spelling of 122220313 in words is "one hundred twenty-two million, two hundred twenty thousand, three hundred thirteen".