2214789 has 4 divisors (see below), whose sum is σ = 2953056. Its totient is φ = 1476524.

The previous prime is 2214761. The next prime is 2214791. The reversal of 2214789 is 9874122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2214789 - 2⁵ = 2214757 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214749) 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, 369129 + ... + 369134.

It is an arithmetic number, because the mean of its divisors is an integer number (738264).

2^2214789 is an apocalyptic number.

It is an amenable number.

2214789 is a deficient number, since it is larger than the sum of its proper divisors (738267).

2214789 is an equidigital number, since it uses as much as digits as its factorization.

2214789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738266.

The product of its digits is 8064, while the sum is 33.

The square root of 2214789 is about 1488.2167180891. The cubic root of 2214789 is about 130.3499251005.

Multiplying 2214789 by its sum of digits (33), we get a palindrome (73088037).

It can be divided in two parts, 2214 and 789, that added together give a palindrome (3003).

The spelling of 2214789 in words is "two million, two hundred fourteen thousand, seven hundred eighty-nine".