2212711356 has 24 divisors (see below), whose sum is σ = 5176276560. Its totient is φ = 735672832.

The previous prime is 2212711351. The next prime is 2212711357. The reversal of 2212711356 is 6531172122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212711351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232341 + ... + 241676.

It is an arithmetic number, because the mean of its divisors is an integer number (215678190).

Almost surely, 2^2212711356 is an apocalyptic number.

It is an amenable number.

2212711356 is an abundant number, since it is smaller than the sum of its proper divisors (2963565204).

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

2212711356 is a wasteful number, since it uses less digits than its factorization.

2212711356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474413 (or 474411 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 2212711356 is about 47039.4659408459. The cubic root of 2212711356 is about 1303.0915289944.

Adding to 2212711356 its reverse (6531172122), we get a palindrome (8743883478).

The spelling of 2212711356 in words is "two billion, two hundred twelve million, seven hundred eleven thousand, three hundred fifty-six".