722000227 has 4 divisors (see below), whose sum is σ = 777538720. Its totient is φ = 666461736.

The previous prime is 722000219. The next prime is 722000243.

722000227 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 not a de Polignac number, because 722000227 - 2³ = 722000219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 722000198 and 722000207.

It is not an unprimeable number, because it can be changed into a prime (722000267) 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, 27769227 + ... + 27769252.

It is an arithmetic number, because the mean of its divisors is an integer number (194384680).

Almost surely, 2^722000227 is an apocalyptic number.

722000227 is a deficient number, since it is larger than the sum of its proper divisors (55538493).

722000227 is a wasteful number, since it uses less digits than its factorization.

722000227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55538492.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 722000227 is about 26870.0619091211. The cubic root of 722000227 is about 897.1101658649.

It can be divided in two parts, 722000 and 227, that added together give a palindrome (722227).

The spelling of 722000227 in words is "seven hundred twenty-two million, two hundred twenty-seven", and thus it is an aban number.