2220302312 has 8 divisors (see below), whose sum is σ = 4163066850. Its totient is φ = 1110151152.

The previous prime is 2220302281. The next prime is 2220302351. The reversal of 2220302312 is 2132030222.

2220302312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1817657956 + 402644356 = 42634^2 + 20066^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138768887 + ... + 138768902.

Almost surely, 2^2220302312 is an apocalyptic number.

It is an amenable number.

2220302312 is a deficient number, since it is larger than the sum of its proper divisors (1942764538).

2220302312 is a wasteful number, since it uses less digits than its factorization.

2220302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277537795 (or 277537791 counting only the distinct ones).

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

The square root of 2220302312 is about 47120.0839557826. The cubic root of 2220302312 is about 1304.5799623894.

Adding to 2220302312 its reverse (2132030222), we get a palindrome (4352332534).

The spelling of 2220302312 in words is "two billion, two hundred twenty million, three hundred two thousand, three hundred twelve".