722606227 has 4 divisors (see below), whose sum is σ = 825835696. Its totient is φ = 619376760.

The previous prime is 722606207. The next prime is 722606231.

722606227 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-722606227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 722606192 and 722606201.

It is not an unprimeable number, because it can be changed into a prime (722606207) 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, 51614724 + ... + 51614737.

It is an arithmetic number, because the mean of its divisors is an integer number (206458924).

Almost surely, 2^722606227 is an apocalyptic number.

722606227 is a deficient number, since it is larger than the sum of its proper divisors (103229469).

722606227 is a wasteful number, since it uses less digits than its factorization.

722606227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103229468.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 722606227 is about 26881.3360345054. The cubic root of 722606227 is about 897.3610876375.

It can be divided in two parts, 72260 and 6227, that added together give a palindrome (78487).

The spelling of 722606227 in words is "seven hundred twenty-two million, six hundred six thousand, two hundred twenty-seven".