1222213232 has 40 divisors (see below), whose sum is σ = 2526548112. Its totient is φ = 570752000.

The previous prime is 1222213219. The next prime is 1222213243. The reversal of 1222213232 is 2323122221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18482 + ... + 52782.

Almost surely, 2^1222213232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222213232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263274056).

1222213232 is an abundant number, since it is smaller than the sum of its proper divisors (1304334880).

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

1222213232 is a wasteful number, since it uses less digits than its factorization.

1222213232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34457 (or 34451 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 1222213232 is about 34960.1663611602. The cubic root of 1222213232 is about 1069.1754884971.

Adding to 1222213232 its reverse (2323122221), we get a palindrome (3545335453).

The spelling of 1222213232 in words is "one billion, two hundred twenty-two million, two hundred thirteen thousand, two hundred thirty-two".