2214861 has 16 divisors (see below), whose sum is σ = 3302208. Its totient is φ = 1308800.

The previous prime is 2214847. The next prime is 2214869. The reversal of 2214861 is 1684122.

It is a cyclic number.

It is not a de Polignac number, because 2214861 - 2⁹ = 2214349 is a prime.

It is a Curzon number.

2214861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535 + ... + 2171.

It is an arithmetic number, because the mean of its divisors is an integer number (206388).

2^2214861 is an apocalyptic number.

It is an amenable number.

2214861 is a deficient number, since it is larger than the sum of its proper divisors (1087347).

2214861 is a wasteful number, since it uses less digits than its factorization.

2214861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692.

The product of its digits is 768, while the sum is 24.

The square root of 2214861 is about 1488.2409079178. The cubic root of 2214861 is about 130.3513375892.

Adding to 2214861 its reverse (1684122), we get a palindrome (3898983).

The spelling of 2214861 in words is "two million, two hundred fourteen thousand, eight hundred sixty-one".