722306201 has 4 divisors (see below), whose sum is σ = 722478900. Its totient is φ = 722133504.

The previous prime is 722306197. The next prime is 722306209. The reversal of 722306201 is 102603227.

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 476286976 + 246019225 = 21824^2 + 15685^2 .

It is a cyclic number.

It is not a de Polignac number, because 722306201 - 2² = 722306197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722306209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79916 + ... + 88493.

It is an arithmetic number, because the mean of its divisors is an integer number (180619725).

Almost surely, 2^722306201 is an apocalyptic number.

It is an amenable number.

722306201 is a deficient number, since it is larger than the sum of its proper divisors (172699).

722306201 is a wasteful number, since it uses less digits than its factorization.

722306201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172698.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 722306201 is about 26875.7548917235. The cubic root of 722306201 is about 897.2368757141.

Adding to 722306201 its reverse (102603227), we get a palindrome (824909428).

The spelling of 722306201 in words is "seven hundred twenty-two million, three hundred six thousand, two hundred one".