10244223221 has 4 divisors (see below), whose sum is σ = 10251991200. Its totient is φ = 10236455244.

The previous prime is 10244223211. The next prime is 10244223229. The reversal of 10244223221 is 12232244201.

10244223221 is digitally balanced in base 2, 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, 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 2^k-10244223221 is a prime.

It is a super-2 number, since 2×10244223221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10244223229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3882011 + ... + 3884648.

It is an arithmetic number, because the mean of its divisors is an integer number (2562997800).

Almost surely, 2^10244223221 is an apocalyptic number.

It is an amenable number.

10244223221 is a deficient number, since it is larger than the sum of its proper divisors (7767979).

10244223221 is an equidigital number, since it uses as much as digits as its factorization.

10244223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7767978.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 10244223221 its reverse (12232244201), we get a palindrome (22476467422).

The spelling of 10244223221 in words is "ten billion, two hundred forty-four million, two hundred twenty-three thousand, two hundred twenty-one".