5652221 has 4 divisors (see below), whose sum is σ = 5783712. Its totient is φ = 5520732.

The previous prime is 5652203. The next prime is 5652271. The reversal of 5652221 is 1222565.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5652221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5652271) 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, 65681 + ... + 65766.

It is an arithmetic number, because the mean of its divisors is an integer number (1445928).

Almost surely, 2^5652221 is an apocalyptic number.

It is an amenable number.

5652221 is a deficient number, since it is larger than the sum of its proper divisors (131491).

5652221 is a wasteful number, since it uses less digits than its factorization.

5652221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131490.

The product of its digits is 1200, while the sum is 23.

The square root of 5652221 is about 2377.4400097584. The cubic root of 5652221 is about 178.1310842695.

Adding to 5652221 its reverse (1222565), we get a palindrome (6874786).

The spelling of 5652221 in words is "five million, six hundred fifty-two thousand, two hundred twenty-one".