10303222021 has 4 divisors (see below), whose sum is σ = 10347442092. Its totient is φ = 10259001952.

The previous prime is 10303222001. The next prime is 10303222037. The reversal of 10303222021 is 12022230301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3550491396 + 6752730625 = 59586^2 + 82175^2 .

It is a cyclic number.

It is not a de Polignac number, because 10303222021 - 2⁵ = 10303221989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10303221986 and 10303222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303222001) 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, 22109686 + ... + 22110151.

It is an arithmetic number, because the mean of its divisors is an integer number (2586860523).

Almost surely, 2^10303222021 is an apocalyptic number.

It is an amenable number.

10303222021 is a deficient number, since it is larger than the sum of its proper divisors (44220071).

10303222021 is an equidigital number, since it uses as much as digits as its factorization.

10303222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44220070.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10303222021 its reverse (12022230301), we get a palindrome (22325452322).

It can be divided in two parts, 10303 and 222021, that added together give a square (232324 = 482²).

The spelling of 10303222021 in words is "ten billion, three hundred three million, two hundred twenty-two thousand, twenty-one".