2556211822 has 8 divisors (see below), whose sum is σ = 3937948056. Its totient is φ = 1243562472.

The previous prime is 2556211811. The next prime is 2556211837. The reversal of 2556211822 is 2281126552.

2556211822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17271628 + ... + 17271775.

It is an arithmetic number, because the mean of its divisors is an integer number (492243507).

Almost surely, 2^2556211822 is an apocalyptic number.

2556211822 is a deficient number, since it is larger than the sum of its proper divisors (1381736234).

2556211822 is a wasteful number, since it uses less digits than its factorization.

2556211822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34543442.

The product of its digits is 19200, while the sum is 34.

The square root of 2556211822 is about 50558.9934828612. The cubic root of 2556211822 is about 1367.3056645259.

The spelling of 2556211822 in words is "two billion, five hundred fifty-six million, two hundred eleven thousand, eight hundred twenty-two".