2212256512 has 36 divisors (see below), whose sum is σ = 4675637736. Its totient is φ = 1041059840.

The previous prime is 2212256509. The next prime is 2212256531. The reversal of 2212256512 is 2156522122.

It is a super-2 number, since 2×2212256512² = 9788157749772812288, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 249814 + ... + 258517.

It is an arithmetic number, because the mean of its divisors is an integer number (129878826).

Almost surely, 2^2212256512 is an apocalyptic number.

It is an amenable number.

2212256512 is an abundant number, since it is smaller than the sum of its proper divisors (2463381224).

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

2212256512 is an equidigital number, since it uses as much as digits as its factorization.

2212256512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508364 (or 508350 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 2212256512 is about 47034.6309861149. The cubic root of 2212256512 is about 1303.0022352299.

Adding to 2212256512 its reverse (2156522122), we get a palindrome (4368778634).

The spelling of 2212256512 in words is "two billion, two hundred twelve million, two hundred fifty-six thousand, five hundred twelve".