1220322032 has 40 divisors (see below), whose sum is σ = 2467810800. Its totient is φ = 584030720.

The previous prime is 1220322007. The next prime is 1220322043. The reversal of 1220322032 is 2302230221.

It is a self number, because there is not a number n which added to its sum of digits gives 1220322032.

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, 17219 + ... + 52317.

It is an arithmetic number, because the mean of its divisors is an integer number (61695270).

Almost surely, 2^1220322032 is an apocalyptic number.

It is an amenable number.

1220322032 is an abundant number, since it is smaller than the sum of its proper divisors (1247488768).

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

1220322032 is a wasteful number, since it uses less digits than its factorization.

1220322032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35201 (or 35195 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1220322032 is about 34933.1079636496. The cubic root of 1220322032 is about 1068.6237384806.

Adding to 1220322032 its reverse (2302230221), we get a palindrome (3522552253).

The spelling of 1220322032 in words is "one billion, two hundred twenty million, three hundred twenty-two thousand, thirty-two".