2214385256 has 8 divisors (see below), whose sum is σ = 4151972370. Its totient is φ = 1107192624.

The previous prime is 2214385207. The next prime is 2214385259. The reversal of 2214385256 is 6525834122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1460004100 + 754381156 = 38210^2 + 27466^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2214385259) 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 as a sum of consecutive naturals, namely, 138399071 + ... + 138399086.

Almost surely, 2^2214385256 is an apocalyptic number.

It is an amenable number.

2214385256 is a deficient number, since it is larger than the sum of its proper divisors (1937587114).

2214385256 is a wasteful number, since it uses less digits than its factorization.

2214385256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276798163 (or 276798159 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 2214385256 is about 47057.2550835681. The cubic root of 2214385256 is about 1303.4200392485.

The spelling of 2214385256 in words is "two billion, two hundred fourteen million, three hundred eighty-five thousand, two hundred fifty-six".