10222021 has 4 divisors (see below), whose sum is σ = 10261152. Its totient is φ = 10182892.

The previous prime is 10222013. The next prime is 10222039. The reversal of 10222021 is 12022201.

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 10222021 - 2³ = 10222013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221989 and 10222007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222001) 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, 19171 + ... + 19696.

It is an arithmetic number, because the mean of its divisors is an integer number (2565288).

Almost surely, 2^10222021 is an apocalyptic number.

It is an amenable number.

10222021 is a deficient number, since it is larger than the sum of its proper divisors (39131).

10222021 is an equidigital number, since it uses as much as digits as its factorization.

10222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39130.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 10222021 is about 3197.1895470866. The cubic root of 10222021 is about 217.0262449940.

Adding to 10222021 its reverse (12022201), we get a palindrome (22244222).

The spelling of 10222021 in words is "ten million, two hundred twenty-two thousand, twenty-one".