22301132231 has 4 divisors (see below), whose sum is σ = 25487008272. Its totient is φ = 19115256192.

The previous prime is 22301132207. The next prime is 22301132233. The reversal of 22301132231 is 13223110322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13223110322 = 2 ⋅6611555161.

It is a cyclic number.

It is not a de Polignac number, because 22301132231 - 2¹⁰ = 22301131207 is a prime.

It is a super-2 number, since 2×22301132231² (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 (22301132233) 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, 1592938010 + ... + 1592938023.

It is an arithmetic number, because the mean of its divisors is an integer number (6371752068).

Almost surely, 2^22301132231 is an apocalyptic number.

22301132231 is a deficient number, since it is larger than the sum of its proper divisors (3185876041).

22301132231 is an equidigital number, since it uses as much as digits as its factorization.

22301132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185876040.

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

Adding to 22301132231 its reverse (13223110322), we get a palindrome (35524242553).

The spelling of 22301132231 in words is "twenty-two billion, three hundred one million, one hundred thirty-two thousand, two hundred thirty-one".