2532221 has 8 divisors (see below), whose sum is σ = 2600640. Its totient is φ = 2464768.

The previous prime is 2532209. The next prime is 2532223. The reversal of 2532221 is 1222352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2532221 - 2⁶ = 2532157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2532221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2532223) 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 7 ways as a sum of consecutive naturals, for example, 9725 + ... + 9981.

It is an arithmetic number, because the mean of its divisors is an integer number (325080).

2^2532221 is an apocalyptic number.

It is an amenable number.

2532221 is a deficient number, since it is larger than the sum of its proper divisors (68419).

2532221 is a wasteful number, since it uses less digits than its factorization.

2532221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483.

The product of its digits is 240, while the sum is 17.

The square root of 2532221 is about 1591.2953842703. The cubic root of 2532221 is about 136.3014686454.

Adding to 2532221 its reverse (1222352), we get a palindrome (3754573).

The spelling of 2532221 in words is "two million, five hundred thirty-two thousand, two hundred twenty-one".