2214401251 has 4 divisors (see below), whose sum is σ = 2214516600. Its totient is φ = 2214285904.

The previous prime is 2214401243. The next prime is 2214401261. The reversal of 2214401251 is 1521044122.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2214401251 - 2³ = 2214401243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2214401201) 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 3 ways as a sum of consecutive naturals, for example, 21181 + ... + 69838.

It is an arithmetic number, because the mean of its divisors is an integer number (553629150).

Almost surely, 2^2214401251 is an apocalyptic number.

2214401251 is a deficient number, since it is larger than the sum of its proper divisors (115349).

2214401251 is an equidigital number, since it uses as much as digits as its factorization.

2214401251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115348.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2214401251 is about 47057.4250358007. The cubic root of 2214401251 is about 1303.4231775391.

Adding to 2214401251 its reverse (1521044122), we get a palindrome (3735445373).

The spelling of 2214401251 in words is "two billion, two hundred fourteen million, four hundred one thousand, two hundred fifty-one".