13321232022 has 48 divisors (see below), whose sum is σ = 31992026112. Its totient is φ = 3683287440.

The previous prime is 13321232021. The next prime is 13321232083. The reversal of 13321232022 is 22023212331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 13321232022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321232021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 721698 + ... + 739925.

It is an arithmetic number, because the mean of its divisors is an integer number (666500544).

Almost surely, 2^13321232022 is an apocalyptic number.

13321232022 is an abundant number, since it is smaller than the sum of its proper divisors (18670794090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13321232022 is a wasteful number, since it uses less digits than its factorization.

13321232022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461673 (or 1461666 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13321232022 its reverse (22023212331), we get a palindrome (35344444353).

The spelling of 13321232022 in words is "thirteen billion, three hundred twenty-one million, two hundred thirty-two thousand, twenty-two".