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5222021 = 76071229

5222021 has 8 divisors (see below), whose sum is σ = 5982720. Its totient is φ = 4465008.

The previous prime is 5222011. The next prime is 5222023. The reversal of 5222021 is 1202225.

Adding to 5222021 its reverse (1202225), we get a palindrome (6424246).

5222021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5222021 - 210 = 5220997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5221987 and 5222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5222023) 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 7 ways as a sum of consecutive naturals, for example, 3635 + ... + 4863.

It is an arithmetic number, because the mean of its divisors is an integer number (747840).

Almost surely, 25222021 is an apocalyptic number.

It is an amenable number.

5222021 is a deficient number, since it is larger than the sum of its proper divisors (760699).

5222021 is a wasteful number, since it uses less digits than its factorization.

5222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 5222021 is about 2285.1741727930. The cubic root of 5222021 is about 173.4920337291.

The spelling of 5222021 in words is "five million, two hundred twenty-two thousand, twenty-one".

Divisors: 1 7 607 1229 4249 8603 746003 5222021