2214944287 has 4 divisors (see below), whose sum is σ = 2215077120. Its totient is φ = 2214811456.

The previous prime is 2214944261. The next prime is 2214944299. The reversal of 2214944287 is 7824494122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2214944287 - 2⁷ = 2214944159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214944887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37087 + ... + 76192.

It is an arithmetic number, because the mean of its divisors is an integer number (553769280).

Almost surely, 2^2214944287 is an apocalyptic number.

2214944287 is a deficient number, since it is larger than the sum of its proper divisors (132833).

2214944287 is a wasteful number, since it uses less digits than its factorization.

2214944287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132832.

The product of its digits is 258048, while the sum is 43.

The square root of 2214944287 is about 47063.1946110759. The cubic root of 2214944287 is about 1303.5297146686.

The spelling of 2214944287 in words is "two billion, two hundred fourteen million, nine hundred forty-four thousand, two hundred eighty-seven".