10244021 has 4 divisors (see below), whose sum is σ = 10783200. Its totient is φ = 9704844.

The previous prime is 10244011. The next prime is 10244023. The reversal of 10244021 is 12044201.

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 10244021 - 2²² = 6049717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10243987 and 10244005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10244023) 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, 269561 + ... + 269598.

It is an arithmetic number, because the mean of its divisors is an integer number (2695800).

Almost surely, 2^10244021 is an apocalyptic number.

It is an amenable number.

10244021 is a deficient number, since it is larger than the sum of its proper divisors (539179).

10244021 is an equidigital number, since it uses as much as digits as its factorization.

10244021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539178.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 10244021 is about 3200.6282195844. The cubic root of 10244021 is about 217.1818292362.

Adding to 10244021 its reverse (12044201), we get a palindrome (22288222).

The spelling of 10244021 in words is "ten million, two hundred forty-four thousand, twenty-one".