7221204313 has 8 divisors (see below), whose sum is σ = 7337506176. Its totient is φ = 7105308000.

The previous prime is 7221204301. The next prime is 7221204349. The reversal of 7221204313 is 3134021227.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7221204313 - 2²⁵ = 7187649881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7221204713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65388 + ... + 136813.

It is an arithmetic number, because the mean of its divisors is an integer number (917188272).

Almost surely, 2^7221204313 is an apocalyptic number.

It is an amenable number.

7221204313 is a deficient number, since it is larger than the sum of its proper divisors (116301863).

7221204313 is a wasteful number, since it uses less digits than its factorization.

7221204313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202775.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 7221204313 is about 84977.6694961682. The cubic root of 7221204313 is about 1932.8725168429.

The spelling of 7221204313 in words is "seven billion, two hundred twenty-one million, two hundred four thousand, three hundred thirteen".