10304222021 has 8 divisors (see below), whose sum is σ = 10470644184. Its totient is φ = 10139028480.

The previous prime is 10304222017. The next prime is 10304222051. The reversal of 10304222021 is 12022240301.

It can be written as a sum of positive squares in 4 ways, for example, as 5511429121 + 4792792900 = 74239^2 + 69230^2 .

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 10304222021 - 2² = 10304222017 is a prime.

It is a super-2 number, since 2×10304222021² (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 (10304222051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290240 + ... + 323801.

It is an arithmetic number, because the mean of its divisors is an integer number (1308830523).

Almost surely, 2^10304222021 is an apocalyptic number.

It is an amenable number.

10304222021 is a deficient number, since it is larger than the sum of its proper divisors (166422163).

10304222021 is an equidigital number, since it uses as much as digits as its factorization.

10304222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614311.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10304222021 its reverse (12022240301), we get a palindrome (22326462322).

The spelling of 10304222021 in words is "ten billion, three hundred four million, two hundred twenty-two thousand, twenty-one".