2221011312 has 40 divisors (see below), whose sum is σ = 6178969104. Its totient is φ = 683387904.

The previous prime is 2221011301. The next prime is 2221011329. The reversal of 2221011312 is 2131101222.

It is a super-2 number, since 2×2221011312² = 9865782496063922688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221011291 and 2221011300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1779033 + ... + 1780280.

Almost surely, 2^2221011312 is an apocalyptic number.

It is an amenable number.

2221011312 is an abundant number, since it is smaller than the sum of its proper divisors (3957957792).

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

2221011312 is a wasteful number, since it uses less digits than its factorization.

2221011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559337 (or 3559331 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2221011312 is about 47127.6066865272. The cubic root of 2221011312 is about 1304.7188096614.

Adding to 2221011312 its reverse (2131101222), we get a palindrome (4352112534).

The spelling of 2221011312 in words is "two billion, two hundred twenty-one million, eleven thousand, three hundred twelve".