22045142231 has 8 divisors (see below), whose sum is σ = 25549300224. Its totient is φ = 18629697240.

The previous prime is 22045142167. The next prime is 22045142233. The reversal of 22045142231 is 13224154022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22045142231 - 2⁶ = 22045142167 is a prime.

It is a super-3 number, since 3×22045142231³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 22045142231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22045142233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22177715 + ... + 22178708.

It is an arithmetic number, because the mean of its divisors is an integer number (3193662528).

Almost surely, 2^22045142231 is an apocalyptic number.

22045142231 is a deficient number, since it is larger than the sum of its proper divisors (3504157993).

22045142231 is an equidigital number, since it uses as much as digits as its factorization.

22045142231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44356501.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 22045142231 its reverse (13224154022), we get a palindrome (35269296253).

The spelling of 22045142231 in words is "twenty-two billion, forty-five million, one hundred forty-two thousand, two hundred thirty-one".