2214647 has 4 divisors (see below), whose sum is σ = 2310960. Its totient is φ = 2118336.

The previous prime is 2214637. The next prime is 2214661. The reversal of 2214647 is 7464122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2214647 - 2¹⁰ = 2213623 is a prime.

It is a super-2 number, since 2×2214647² = 9809322669218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48122 + ... + 48167.

It is an arithmetic number, because the mean of its divisors is an integer number (577740).

2^2214647 is an apocalyptic number.

2214647 is a deficient number, since it is larger than the sum of its proper divisors (96313).

2214647 is an equidigital number, since it uses as much as digits as its factorization.

2214647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96312.

The product of its digits is 2688, while the sum is 26.

The square root of 2214647 is about 1488.1690092190. The cubic root of 2214647 is about 130.3471392693.

Adding to 2214647 its reverse (7464122), we get a palindrome (9678769).

The spelling of 2214647 in words is "two million, two hundred fourteen thousand, six hundred forty-seven".