5622621 has 4 divisors (see below), whose sum is σ = 7496832. Its totient is φ = 3748412.

The previous prime is 5622601. The next prime is 5622623. The reversal of 5622621 is 1262265.

5622621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 5622621 - 2¹⁰ = 5621597 is a prime.

It is a super-2 number, since 2×5622621² = 63227733819282, which contains 22 as substring.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 5622591 and 5622600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5622623) 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, 937101 + ... + 937106.

It is an arithmetic number, because the mean of its divisors is an integer number (1874208).

Almost surely, 2^5622621 is an apocalyptic number.

It is an amenable number.

5622621 is a deficient number, since it is larger than the sum of its proper divisors (1874211).

5622621 is a wasteful number, since it uses less digits than its factorization.

5622621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874210.

The product of its digits is 1440, while the sum is 24.

The square root of 5622621 is about 2371.2066548490. The cubic root of 5622621 is about 177.8195895434.

Adding to 5622621 its reverse (1262265), we get a palindrome (6884886).

The spelling of 5622621 in words is "five million, six hundred twenty-two thousand, six hundred twenty-one".