1213323222 has 8 divisors (see below), whose sum is σ = 2426646456. Its totient is φ = 404441072.

The previous prime is 1213323193. The next prime is 1213323247. The reversal of 1213323222 is 2223233121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1213323222 is an admirable number.

It is a super-2 number, since 2×1213323222² = 2944306482088922568, 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101110263 + ... + 101110274.

It is an arithmetic number, because the mean of its divisors is an integer number (303330807).

Almost surely, 2^1213323222 is an apocalyptic number.

1213323222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1213323222 is a wasteful number, since it uses less digits than its factorization.

1213323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202220542.

The product of its digits is 864, while the sum is 21.

The square root of 1213323222 is about 34832.7894662486. The cubic root of 1213323222 is about 1066.5768912507.

Adding to 1213323222 its reverse (2223233121), we get a palindrome (3436556343).

The spelling of 1213323222 in words is "one billion, two hundred thirteen million, three hundred twenty-three thousand, two hundred twenty-two".