1232211222 has 48 divisors (see below), whose sum is σ = 2991233232. Its totient is φ = 363303360.

The previous prime is 1232211209. The next prime is 1232211229. The reversal of 1232211222 is 2221122321.

1232211222 is a `hidden beast` number, since 1 + 232 + 211 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a junction number, because it is equal to n+sod(n) for n = 1232211195 and 1232211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232211229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76773 + ... + 91424.

It is an arithmetic number, because the mean of its divisors is an integer number (62317359).

Almost surely, 2^1232211222 is an apocalyptic number.

1232211222 is an abundant number, since it is smaller than the sum of its proper divisors (1759022010).

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

1232211222 is a wasteful number, since it uses less digits than its factorization.

1232211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168253 (or 168250 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 1232211222 is about 35102.8662932245. The cubic root of 1232211222 is about 1072.0829434551.

Adding to 1232211222 its reverse (2221122321), we get a palindrome (3453333543).

The spelling of 1232211222 in words is "one billion, two hundred thirty-two million, two hundred eleven thousand, two hundred twenty-two".