1213233222 has 16 divisors (see below), whose sum is σ = 2429067312. Its totient is φ = 403977600.

The previous prime is 1213233211. The next prime is 1213233227. The reversal of 1213233222 is 2223323121.

It is a happy number.

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 (1213233227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102279 + ... + 113522.

It is an arithmetic number, because the mean of its divisors is an integer number (151816707).

Almost surely, 2^1213233222 is an apocalyptic number.

1213233222 is an abundant number, since it is smaller than the sum of its proper divisors (1215834090).

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

1213233222 is a wasteful number, since it uses less digits than its factorization.

1213233222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216743.

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

The square root of 1213233222 is about 34831.4975560914. The cubic root of 1213233222 is about 1066.5505189722.

Adding to 1213233222 its reverse (2223323121), we get a palindrome (3436556343).

It can be divided in two parts, 12132 and 33222, that added together give a palindrome (45354).

The spelling of 1213233222 in words is "one billion, two hundred thirteen million, two hundred thirty-three thousand, two hundred twenty-two".