56211722 has 24 divisors (see below), whose sum is σ = 98656740. Its totient is φ = 23950080.

The previous prime is 56211721. The next prime is 56211751. The reversal of 56211722 is 22711265.

56211722 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 2 ways, for example, as 54745201 + 1466521 = 7399^2 + 1211^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56211691 and 56211700.

It is not an unprimeable number, because it can be changed into a prime (56211721) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 16154 + ... + 19322.

Almost surely, 2^56211722 is an apocalyptic number.

56211722 is a deficient number, since it is larger than the sum of its proper divisors (42445018).

56211722 is a wasteful number, since it uses less digits than its factorization.

56211722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366 (or 3359 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 56211722 is about 7497.4476990507. The cubic root of 56211722 is about 383.0677844972.

Adding to 56211722 its reverse (22711265), we get a palindrome (78922987).

The spelling of 56211722 in words is "fifty-six million, two hundred eleven thousand, seven hundred twenty-two".