2214531 has 12 divisors (see below), whose sum is σ = 3489720. Its totient is φ = 1342080.

The previous prime is 2214521. The next prime is 2214559. The reversal of 2214531 is 1354122.

It is a de Polignac number, because none of the positive numbers 2^k-2214531 is a prime.

It is a super-3 number, since 3×2214531³ = 32581160333888049873, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2214521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11086 + ... + 11283.

It is an arithmetic number, because the mean of its divisors is an integer number (290810).

2^2214531 is an apocalyptic number.

2214531 is a deficient number, since it is larger than the sum of its proper divisors (1275189).

2214531 is a wasteful number, since it uses less digits than its factorization.

2214531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22386 (or 22383 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 2214531 is about 1488.1300346408. The cubic root of 2214531 is about 130.3448634315.

Adding to 2214531 its reverse (1354122), we get a palindrome (3568653).

The spelling of 2214531 in words is "two million, two hundred fourteen thousand, five hundred thirty-one".