1222323222 has 16 divisors (see below), whose sum is σ = 2588449392. Its totient is φ = 383473920.

The previous prime is 1222323209. The next prime is 1222323229. The reversal of 1222323222 is 2223232221.

It is a super-2 number, since 2×1222323222² = 2988148118080922568, 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 (1222323229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5991679 + ... + 5991882.

It is an arithmetic number, because the mean of its divisors is an integer number (161778087).

Almost surely, 2^1222323222 is an apocalyptic number.

1222323222 is an abundant number, since it is smaller than the sum of its proper divisors (1366126170).

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

1222323222 is a wasteful number, since it uses less digits than its factorization.

1222323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11983583.

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

The square root of 1222323222 is about 34961.7394018089. The cubic root of 1222323222 is about 1069.2075601196.

Adding to 1222323222 its reverse (2223232221), we get a palindrome (3445555443).

The spelling of 1222323222 in words is "one billion, two hundred twenty-two million, three hundred twenty-three thousand, two hundred twenty-two".