10221023 has 4 divisors (see below), whose sum is σ = 10258200. Its totient is φ = 10183848.

The previous prime is 10221007. The next prime is 10221037. The reversal of 10221023 is 32012201.

It is a happy number.

10221023 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.

It is a cyclic number.

It is not a de Polignac number, because 10221023 - 2⁴ = 10221007 is a prime.

It is a super-2 number, since 2×10221023² = 208938622333058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10220995 and 10221013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221053) 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, 18173 + ... + 18726.

It is an arithmetic number, because the mean of its divisors is an integer number (2564550).

Almost surely, 2^10221023 is an apocalyptic number.

10221023 is a deficient number, since it is larger than the sum of its proper divisors (37177).

10221023 is an equidigital number, since it uses as much as digits as its factorization.

10221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37176.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 10221023 is about 3197.0334687019. The cubic root of 10221023 is about 217.0191818363.

Adding to 10221023 its reverse (32012201), we get a palindrome (42233224).

The spelling of 10221023 in words is "ten million, two hundred twenty-one thousand, twenty-three".