10223332021 has 12 divisors (see below), whose sum is σ = 12116836332. Its totient is φ = 8597516928.

The previous prime is 10223331997. The next prime is 10223332037. The reversal of 10223332021 is 12023332201.

It can be written as a sum of positive squares in 2 ways, for example, as 4728075121 + 5495256900 = 68761^2 + 74130^2 .

It is not a de Polignac number, because 10223332021 - 2³¹ = 8075848373 is a prime.

It is a super-2 number, since 2×10223332021² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10223332021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10223332061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1965700 + ... + 1970893.

It is an arithmetic number, because the mean of its divisors is an integer number (1009736361).

Almost surely, 2^10223332021 is an apocalyptic number.

It is an amenable number.

10223332021 is a deficient number, since it is larger than the sum of its proper divisors (1893504311).

10223332021 is an equidigital number, since it uses as much as digits as its factorization.

10223332021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936660 (or 3936653 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 10223332021 its reverse (12023332201), we get a palindrome (22246664222).

The spelling of 10223332021 in words is "ten billion, two hundred twenty-three million, three hundred thirty-two thousand, twenty-one".