2213571 has 4 divisors (see below), whose sum is σ = 2951432. Its totient is φ = 1475712.

The previous prime is 2213551. The next prime is 2213591. The reversal of 2213571 is 1753122.

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

It is an interprime number because it is at equal distance from previous prime (2213551) and next prime (2213591).

It is not a de Polignac number, because 2213571 - 2¹⁰ = 2212547 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213531) 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, 368926 + ... + 368931.

It is an arithmetic number, because the mean of its divisors is an integer number (737858).

2^2213571 is an apocalyptic number.

2213571 is a deficient number, since it is larger than the sum of its proper divisors (737861).

2213571 is an equidigital number, since it uses as much as digits as its factorization.

2213571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737860.

The product of its digits is 420, while the sum is 21.

The square root of 2213571 is about 1487.8074472189. The cubic root of 2213571 is about 130.3260258605.

Adding to 2213571 its reverse (1753122), we get a palindrome (3966693).

The spelling of 2213571 in words is "two million, two hundred thirteen thousand, five hundred seventy-one".