2220312312 has 48 divisors (see below), whose sum is σ = 6015555000. Its totient is φ = 739832256.

The previous prime is 2220312299. The next prime is 2220312313. The reversal of 2220312312 is 2132130222.

2220312312 is a `hidden beast` number, since 22 + 20 + 312 + 312 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220312313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324139 + ... + 330917.

Almost surely, 2^2220312312 is an apocalyptic number.

It is an amenable number.

2220312312 is an abundant number, since it is smaller than the sum of its proper divisors (3795242688).

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

2220312312 is a wasteful number, since it uses less digits than its factorization.

2220312312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11340 (or 11333 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2220312312 is about 47120.1900675284. The cubic root of 2220312312 is about 1304.5819209485.

Adding to 2220312312 its reverse (2132130222), we get a palindrome (4352442534).

The spelling of 2220312312 in words is "two billion, two hundred twenty million, three hundred twelve thousand, three hundred twelve".