722404227 has 4 divisors (see below), whose sum is σ = 963205640. Its totient is φ = 481602816.

The previous prime is 722404219. The next prime is 722404271.

722404227 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 722404227 - 2³ = 722404219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 722404194 and 722404203.

It is not an unprimeable number, because it can be changed into a prime (722404027) 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, 120400702 + ... + 120400707.

It is an arithmetic number, because the mean of its divisors is an integer number (240801410).

Almost surely, 2^722404227 is an apocalyptic number.

722404227 is a deficient number, since it is larger than the sum of its proper divisors (240801413).

722404227 is a wasteful number, since it uses less digits than its factorization.

722404227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240801412.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 722404227 is about 26877.5785181627. The cubic root of 722404227 is about 897.2774626395.

It can be divided in two parts, 72240 and 4227, that added together give a palindrome (76467).

The spelling of 722404227 in words is "seven hundred twenty-two million, four hundred four thousand, two hundred twenty-seven".