2214251 has 4 divisors (see below), whose sum is σ = 2384592. Its totient is φ = 2043912.

The previous prime is 2214221. The next prime is 2214257. The reversal of 2214251 is 1524122.

2214251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1524122 = 2 ⋅762061.

It is a de Polignac number, because none of the positive numbers 2^k-2214251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2214257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85151 + ... + 85176.

It is an arithmetic number, because the mean of its divisors is an integer number (596148).

2^2214251 is an apocalyptic number.

2214251 is a deficient number, since it is larger than the sum of its proper divisors (170341).

2214251 is a wasteful number, since it uses less digits than its factorization.

2214251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170340.

The product of its digits is 160, while the sum is 17.

The square root of 2214251 is about 1488.0359538667. The cubic root of 2214251 is about 130.3393697024.

Adding to 2214251 its reverse (1524122), we get a palindrome (3738373).

The spelling of 2214251 in words is "two million, two hundred fourteen thousand, two hundred fifty-one".