722227 has 4 divisors (see below), whose sum is σ = 787896. Its totient is φ = 656560.

The previous prime is 722213. The next prime is 722237.

722227 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 722227 - 2¹¹ = 720179 is a prime.

It is a super-2 number, since 2×722227² = 1043223679058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 722198 and 722207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722237) 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, 32818 + ... + 32839.

It is an arithmetic number, because the mean of its divisors is an integer number (196974).

2⁷²²²²⁷ is an apocalyptic number.

722227 is a deficient number, since it is larger than the sum of its proper divisors (65669).

722227 is a wasteful number, since it uses less digits than its factorization.

722227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65668.

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

The square root of 722227 is about 849.8393965921. The cubic root of 722227 is about 89.7204080456.

It can be divided in two parts, 722 and 227, that added together give a palindrome (949).

The spelling of 722227 in words is "seven hundred twenty-two thousand, two hundred twenty-seven", and thus it is an iban number.