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5522021 = 7969899
BaseRepresentation
bin10101000100001001100101
3101101112210022
4111010021211
52403201041
6314204525
764636121
oct25041145
911345708
105522021
11313185a
121a23745
1311b458b
14a3a581
1574124b
hex544265

5522021 has 4 divisors (see below), whose sum is σ = 5592000. Its totient is φ = 5452044.

The previous prime is 5521993. The next prime is 5522029. The reversal of 5522021 is 1202255.

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 2k-5522021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5522029) 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, 34871 + ... + 35028.

It is an arithmetic number, because the mean of its divisors is an integer number (1398000).

Almost surely, 25522021 is an apocalyptic number.

It is an amenable number.

5522021 is a deficient number, since it is larger than the sum of its proper divisors (69979).

5522021 is an equidigital number, since it uses as much as digits as its factorization.

5522021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69978.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 5522021 is about 2349.8980828964. The cubic root of 5522021 is about 176.7526842699.

Adding to 5522021 its reverse (1202255), we get a palindrome (6724276).

The spelling of 5522021 in words is "five million, five hundred twenty-two thousand, twenty-one".

Divisors: 1 79 69899 5522021