5522621 has 4 divisors (see below), whose sum is σ = 5947452. Its totient is φ = 5097792.

The previous prime is 5522617. The next prime is 5522677. The reversal of 5522621 is 1262255.

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

It can be written as a sum of positive squares in 2 ways, for example, as 835396 + 4687225 = 914^2 + 2165^2 .

It is a cyclic number.

It is not a de Polignac number, because 5522621 - 2² = 5522617 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 (5522611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212396 + ... + 212421.

It is an arithmetic number, because the mean of its divisors is an integer number (1486863).

Almost surely, 2^5522621 is an apocalyptic number.

It is an amenable number.

5522621 is a deficient number, since it is larger than the sum of its proper divisors (424831).

5522621 is a wasteful number, since it uses less digits than its factorization.

5522621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424830.

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

The square root of 5522621 is about 2350.0257445398. The cubic root of 5522621 is about 176.7590857770.

Adding to 5522621 its reverse (1262255), we get a palindrome (6784876).

The spelling of 5522621 in words is "five million, five hundred twenty-two thousand, six hundred twenty-one".