214522743556 has 81 divisors (see below), whose sum is σ = 424846690527. Its totient is φ = 94708183680.

The previous prime is 214522743551. The next prime is 214522743563. The reversal of 214522743556 is 655347225412.

The square root of 214522743556 is 463166.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1647548100 + 212875195456 = 40590^2 + 461384^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214522743551) 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 26 ways as a sum of consecutive naturals, for example, 377016840 + ... + 377017408.

Almost surely, 2^214522743556 is an apocalyptic number.

214522743556 is the 463166-th square number.

It is an amenable number.

214522743556 is a deficient number, since it is larger than the sum of its proper divisors (210323946971).

214522743556 is an equidigital number, since it uses as much as digits as its factorization.

214522743556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238 (or 619 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 46.

Adding to 214522743556 its reverse (655347225412), we get a palindrome (869869968968).

The spelling of 214522743556 in words is "two hundred fourteen billion, five hundred twenty-two million, seven hundred forty-three thousand, five hundred fifty-six".