2214881 has 4 divisors (see below), whose sum is σ = 2220564. Its totient is φ = 2209200.

The previous prime is 2214869. The next prime is 2214907. The reversal of 2214881 is 1884122.

2214881 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: 1884122 = 2 ⋅942061.

It can be written as a sum of positive squares in 2 ways, for example, as 614656 + 1600225 = 784^2 + 1265^2 .

It is a cyclic number.

It is not a de Polignac number, because 2214881 - 2¹⁸ = 1952737 is a prime.

It is a super-2 number, since 2×2214881² = 9811395688322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2214881.

It is not an unprimeable number, because it can be changed into a prime (2214281) 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, 2210 + ... + 3051.

It is an arithmetic number, because the mean of its divisors is an integer number (555141).

2^2214881 is an apocalyptic number.

It is an amenable number.

2214881 is a deficient number, since it is larger than the sum of its proper divisors (5683).

2214881 is an equidigital number, since it uses as much as digits as its factorization.

2214881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5682.

The product of its digits is 1024, while the sum is 26.

The square root of 2214881 is about 1488.2476272449. The cubic root of 2214881 is about 130.3517299417.

It can be divided in two parts, 221 and 4881, that multiplied together give a palindrome (1078701).

The spelling of 2214881 in words is "two million, two hundred fourteen thousand, eight hundred eighty-one".