2214631 has 4 divisors (see below), whose sum is σ = 2222064. Its totient is φ = 2207200.

The previous prime is 2214623. The next prime is 2214637. The reversal of 2214631 is 1364122.

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 2214631 - 2³ = 2214623 is a prime.

It is a super-2 number, since 2×2214631² = 9809180932322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2214599 and 2214608.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3250 + ... + 3871.

It is an arithmetic number, because the mean of its divisors is an integer number (555516).

2^2214631 is an apocalyptic number.

2214631 is a deficient number, since it is larger than the sum of its proper divisors (7433).

2214631 is an equidigital number, since it uses as much as digits as its factorization.

2214631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7432.

The product of its digits is 288, while the sum is 19.

The square root of 2214631 is about 1488.1636334758. The cubic root of 2214631 is about 130.3468253654.

Adding to 2214631 its reverse (1364122), we get a palindrome (3578753).

The spelling of 2214631 in words is "two million, two hundred fourteen thousand, six hundred thirty-one".