22202013021 has 4 divisors (see below), whose sum is σ = 29602684032. Its totient is φ = 14801342012.

The previous prime is 22202013007. The next prime is 22202013023. The reversal of 22202013021 is 12031020222.

It is a happy number.

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 not a de Polignac number, because 22202013021 - 2⁷ = 22202012893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202013023) 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, 3700335501 + ... + 3700335506.

It is an arithmetic number, because the mean of its divisors is an integer number (7400671008).

Almost surely, 2^22202013021 is an apocalyptic number.

It is an amenable number.

22202013021 is a deficient number, since it is larger than the sum of its proper divisors (7400671011).

22202013021 is an equidigital number, since it uses as much as digits as its factorization.

22202013021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7400671010.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22202013021 its reverse (12031020222), we get a palindrome (34233033243).

It can be divided in two parts, 2220201 and 3021, that added together give a palindrome (2223222).

The spelling of 22202013021 in words is "twenty-two billion, two hundred two million, thirteen thousand, twenty-one".