22202131013 has 4 divisors (see below), whose sum is σ = 22506269868. Its totient is φ = 21897992160.

The previous prime is 22202131001. The next prime is 22202131027. The reversal of 22202131013 is 31013120222.

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 5678828164 + 16523302849 = 75358^2 + 128543^2 .

It is a cyclic number.

It is not a de Polignac number, because 22202131013 - 2¹² = 22202126917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22202130982 and 22202131000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202131073) 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, 152069318 + ... + 152069463.

It is an arithmetic number, because the mean of its divisors is an integer number (5626567467).

Almost surely, 2^22202131013 is an apocalyptic number.

It is an amenable number.

22202131013 is a deficient number, since it is larger than the sum of its proper divisors (304138855).

22202131013 is an equidigital number, since it uses as much as digits as its factorization.

22202131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304138854.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22202131013 its reverse (31013120222), we get a palindrome (53215251235).

The spelling of 22202131013 in words is "twenty-two billion, two hundred two million, one hundred thirty-one thousand, thirteen".