722335013 has 4 divisors (see below), whose sum is σ = 722755968. Its totient is φ = 721914060.

The previous prime is 722335001. The next prime is 722335037. The reversal of 722335013 is 310533227.

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 722335013 - 2²⁸ = 453899557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722335063) 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, 207893 + ... + 211338.

It is an arithmetic number, because the mean of its divisors is an integer number (180688992).

Almost surely, 2^722335013 is an apocalyptic number.

It is an amenable number.

722335013 is a deficient number, since it is larger than the sum of its proper divisors (420955).

722335013 is a wasteful number, since it uses less digits than its factorization.

722335013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420954.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 722335013 is about 26876.2909085313. The cubic root of 722335013 is about 897.2488054863.

The spelling of 722335013 in words is "seven hundred twenty-two million, three hundred thirty-five thousand, thirteen".