5622581 has 4 divisors (see below), whose sum is σ = 5628000. Its totient is φ = 5617164.

The previous prime is 5622571. The next prime is 5622583. The reversal of 5622581 is 1852265.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5622581 - 2¹⁸ = 5360437 is a prime.

It is a super-2 number, since 2×5622581² = 63226834203122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5622583) 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 3 ways as a sum of consecutive naturals, for example, 611 + ... + 3408.

It is an arithmetic number, because the mean of its divisors is an integer number (1407000).

Almost surely, 2^5622581 is an apocalyptic number.

It is an amenable number.

5622581 is a deficient number, since it is larger than the sum of its proper divisors (5419).

5622581 is a wasteful number, since it uses less digits than its factorization.

5622581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5418.

The product of its digits is 4800, while the sum is 29.

The square root of 5622581 is about 2371.1982203097. The cubic root of 5622581 is about 177.8191678657.

The spelling of 5622581 in words is "five million, six hundred twenty-two thousand, five hundred eighty-one".