722224013 has 8 divisors (see below), whose sum is σ = 827523840. Its totient is φ = 617455440.

The previous prime is 722224003. The next prime is 722224031. The reversal of 722224013 is 310422227.

It is a happy number.

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

It is not a de Polignac number, because 722224013 - 2¹⁶ = 722158477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 722224013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722224003) 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 7 ways as a sum of consecutive naturals, for example, 129893 + ... + 135338.

It is an arithmetic number, because the mean of its divisors is an integer number (103440480).

Almost surely, 2^722224013 is an apocalyptic number.

It is an amenable number.

722224013 is a deficient number, since it is larger than the sum of its proper divisors (105299827).

722224013 is a wasteful number, since it uses less digits than its factorization.

722224013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265627.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 722224013 is about 26874.2258121048. The cubic root of 722224013 is about 897.2028435630.

The spelling of 722224013 in words is "seven hundred twenty-two million, two hundred twenty-four thousand, thirteen".