1223223222 has 32 divisors (see below), whose sum is σ = 2690698752. Its totient is φ = 368367264.

The previous prime is 1223223217. The next prime is 1223223229. The reversal of 1223223222 is 2223223221.

It is a super-2 number, since 2×1223223222² = 2992550101680122568, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223223229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163168 + ... + 170499.

It is an arithmetic number, because the mean of its divisors is an integer number (84084336).

Almost surely, 2^1223223222 is an apocalyptic number.

1223223222 is an abundant number, since it is smaller than the sum of its proper divisors (1467475530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223223222 is a wasteful number, since it uses less digits than its factorization.

1223223222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333732.

The product of its digits is 1152, while the sum is 21.

The square root of 1223223222 is about 34974.6082465551. The cubic root of 1223223222 is about 1069.4699159093.

Adding to 1223223222 its reverse (2223223221), we get a palindrome (3446446443).

Subtracting 1223223222 from its reverse (2223223221), we obtain a palindrome (999999999).

The spelling of 1223223222 in words is "one billion, two hundred twenty-three million, two hundred twenty-three thousand, two hundred twenty-two".