13622594231 has 4 divisors (see below), whose sum is σ = 13939398792. Its totient is φ = 13305789672.

The previous prime is 13622594189. The next prime is 13622594263. The reversal of 13622594231 is 13249522631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13249522631 = 3631 ⋅3649001.

It is a cyclic number.

It is not a de Polignac number, because 13622594231 - 2¹⁴ = 13622577847 is a prime.

It is a super-2 number, since 2×13622594231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13622594281) 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, 158402216 + ... + 158402301.

It is an arithmetic number, because the mean of its divisors is an integer number (3484849698).

Almost surely, 2^13622594231 is an apocalyptic number.

13622594231 is a deficient number, since it is larger than the sum of its proper divisors (316804561).

13622594231 is an equidigital number, since it uses as much as digits as its factorization.

13622594231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316804560.

The product of its digits is 77760, while the sum is 38.

The spelling of 13622594231 in words is "thirteen billion, six hundred twenty-two million, five hundred ninety-four thousand, two hundred thirty-one".