32220113213 has 4 divisors (see below), whose sum is σ = 32221871388. Its totient is φ = 32218355040.

The previous prime is 32220113203. The next prime is 32220113257. The reversal of 32220113213 is 31231102223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31231102223 = 16519 ⋅1890617.

It can be written as a sum of positive squares in 2 ways, for example, as 25842813049 + 6377300164 = 160757^2 + 79858^2 .

It is a cyclic number.

It is not a de Polignac number, because 32220113213 - 2²⁰ = 32219064637 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 (32220113203) 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, 851306 + ... + 888347.

It is an arithmetic number, because the mean of its divisors is an integer number (8055467847).

Almost surely, 2^32220113213 is an apocalyptic number.

It is an amenable number.

32220113213 is a deficient number, since it is larger than the sum of its proper divisors (1758175).

32220113213 is a wasteful number, since it uses less digits than its factorization.

32220113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758174.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 32220113213 its reverse (31231102223), we get a palindrome (63451215436).

The spelling of 32220113213 in words is "thirty-two billion, two hundred twenty million, one hundred thirteen thousand, two hundred thirteen".