10022033221 has 4 divisors (see below), whose sum is σ = 10023612172. Its totient is φ = 10020454272.

The previous prime is 10022033213. The next prime is 10022033233. The reversal of 10022033221 is 12233022001.

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 3850202500 + 6171830721 = 62050^2 + 78561^2 .

It is a cyclic number.

It is not a de Polignac number, because 10022033221 - 2³ = 10022033213 is a prime.

It is a super-2 number, since 2×10022033221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10022033195 and 10022033204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022033261) 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, 779916 + ... + 792661.

It is an arithmetic number, because the mean of its divisors is an integer number (2505903043).

Almost surely, 2^10022033221 is an apocalyptic number.

It is an amenable number.

10022033221 is a deficient number, since it is larger than the sum of its proper divisors (1578951).

10022033221 is an equidigital number, since it uses as much as digits as its factorization.

10022033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578950.

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

Adding to 10022033221 its reverse (12233022001), we get a palindrome (22255055222).

The spelling of 10022033221 in words is "ten billion, twenty-two million, thirty-three thousand, two hundred twenty-one".