2220032312 has 32 divisors (see below), whose sum is σ = 4599050400. Its totient is φ = 999297024.

The previous prime is 2220032303. The next prime is 2220032323. The reversal of 2220032312 is 2132300222.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 351737 + ... + 357992.

It is an arithmetic number, because the mean of its divisors is an integer number (143720325).

Almost surely, 2^2220032312 is an apocalyptic number.

It is an amenable number.

2220032312 is an abundant number, since it is smaller than the sum of its proper divisors (2379018088).

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

2220032312 is a wasteful number, since it uses less digits than its factorization.

2220032312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709775 (or 709771 counting only the distinct ones).

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

The square root of 2220032312 is about 47117.2188483149. The cubic root of 2220032312 is about 1304.5270790700.

Adding to 2220032312 its reverse (2132300222), we get a palindrome (4352332534).

The spelling of 2220032312 in words is "two billion, two hundred twenty million, thirty-two thousand, three hundred twelve".