722522423 has 8 divisors (see below), whose sum is σ = 874312992. Its totient is φ = 582875136.

The previous prime is 722522393. The next prime is 722522429. The reversal of 722522423 is 324225227.

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 722522423 - 2⁸ = 722522167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722522429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3035690 + ... + 3035927.

It is an arithmetic number, because the mean of its divisors is an integer number (109289124).

Almost surely, 2^722522423 is an apocalyptic number.

722522423 is a deficient number, since it is larger than the sum of its proper divisors (151790569).

722522423 is a wasteful number, since it uses less digits than its factorization.

722522423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071641.

The product of its digits is 13440, while the sum is 29.

The square root of 722522423 is about 26879.7772126184. Note that the first 3 decimals coincide. The cubic root of 722522423 is about 897.3263959188.

The spelling of 722522423 in words is "seven hundred twenty-two million, five hundred twenty-two thousand, four hundred twenty-three".