20222132213 has 4 divisors (see below), whose sum is σ = 21411669420. Its totient is φ = 19032595008.

The previous prime is 20222132207. The next prime is 20222132267. The reversal of 20222132213 is 31223122202.

It is a happy number.

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 12166531204 + 8055601009 = 110302^2 + 89753^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222132213 - 2¹⁶ = 20222066677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222132113) 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, 594768578 + ... + 594768611.

It is an arithmetic number, because the mean of its divisors is an integer number (5352917355).

Almost surely, 2^20222132213 is an apocalyptic number.

It is an amenable number.

20222132213 is a deficient number, since it is larger than the sum of its proper divisors (1189537207).

20222132213 is a wasteful number, since it uses less digits than its factorization.

20222132213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189537206.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20222132213 its reverse (31223122202), we get a palindrome (51445254415).

The spelling of 20222132213 in words is "twenty billion, two hundred twenty-two million, one hundred thirty-two thousand, two hundred thirteen".