722222227 has 2 divisors, whose sum is σ = 722222228. Its totient is φ = 722222226.

The previous prime is 722222213. The next prime is 722222231.

722222227 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 722222227 - 2¹¹ = 722220179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 722222195 and 722222204.

It is not a weakly prime, because it can be changed into another prime (722222297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361111113 + 361111114.

It is an arithmetic number, because the mean of its divisors is an integer number (361111114).

Almost surely, 2^722222227 is an apocalyptic number.

722222227 is a deficient number, since it is larger than the sum of its proper divisors (1).

722222227 is an equidigital number, since it uses as much as digits as its factorization.

722222227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6272, while the sum is 28.

The square root of 722222227 is about 26874.1925832201. The cubic root of 722222227 is about 897.2021039930.

The spelling of 722222227 in words is "seven hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-seven".