722223232222 has 16 divisors (see below), whose sum is σ = 1084342963680. Its totient is φ = 360775731168.

The previous prime is 722223232219. The next prime is 722223232253. The reversal of 722223232222 is 222232322227.

It is a happy number.

It is a super-2 number, since 2×722223232222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9971583 + ... + 10043749.

It is an arithmetic number, because the mean of its divisors is an integer number (67771435230).

Almost surely, 2^722223232222 is an apocalyptic number.

722223232222 is a deficient number, since it is larger than the sum of its proper divisors (362119731458).

722223232222 is a wasteful number, since it uses less digits than its factorization.

722223232222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76755.

The product of its digits is 32256, while the sum is 31.

Adding to 722223232222 its reverse (222232322227), we get a palindrome (944455554449).

The spelling of 722223232222 in words is "seven hundred twenty-two billion, two hundred twenty-three million, two hundred thirty-two thousand, two hundred twenty-two".