722334623 has 4 divisors (see below), whose sum is σ = 727118448. Its totient is φ = 717550800.

The previous prime is 722334593. The next prime is 722334643. The reversal of 722334623 is 326433227.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 722334623 - 2⁶ = 722334559 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 722334623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722334643) 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 3 ways as a sum of consecutive naturals, for example, 2391686 + ... + 2391987.

It is an arithmetic number, because the mean of its divisors is an integer number (181779612).

Almost surely, 2^722334623 is an apocalyptic number.

722334623 is a deficient number, since it is larger than the sum of its proper divisors (4783825).

722334623 is a wasteful number, since it uses less digits than its factorization.

722334623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4783824.

The product of its digits is 36288, while the sum is 32.

The square root of 722334623 is about 26876.2836530648. The cubic root of 722334623 is about 897.2486440067.

The spelling of 722334623 in words is "seven hundred twenty-two million, three hundred thirty-four thousand, six hundred twenty-three".