220122313 has 4 divisors (see below), whose sum is σ = 221802768. Its totient is φ = 218441860.

The previous prime is 220122311. The next prime is 220122337. The reversal of 220122313 is 313221022.

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 220122313 - 2¹ = 220122311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220122311) 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, 840031 + ... + 840292.

It is an arithmetic number, because the mean of its divisors is an integer number (55450692).

Almost surely, 2^220122313 is an apocalyptic number.

It is an amenable number.

220122313 is a deficient number, since it is larger than the sum of its proper divisors (1680455).

220122313 is a wasteful number, since it uses less digits than its factorization.

220122313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680454.

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

The square root of 220122313 is about 14836.5195716516. The cubic root of 220122313 is about 603.7929287760.

Adding to 220122313 its reverse (313221022), we get a palindrome (533343335).

The spelling of 220122313 in words is "two hundred twenty million, one hundred twenty-two thousand, three hundred thirteen".