20221223130231 has 8 divisors (see below), whose sum is σ = 28547609125104. Its totient is φ = 12687826277760.

The previous prime is 20221223130151. The next prime is 20221223130271. The reversal of 20221223130231 is 13203132212202.

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

It is not a de Polignac number, because 20221223130231 - 2¹³ = 20221223122039 is a prime.

It is a super-2 number, since 2×20221223130231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221223130271) 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, 198247285540 + ... + 198247285641.

It is an arithmetic number, because the mean of its divisors is an integer number (3568451140638).

Almost surely, 2^{20221223130231} is an apocalyptic number.

20221223130231 is a deficient number, since it is larger than the sum of its proper divisors (8326385994873).

20221223130231 is a wasteful number, since it uses less digits than its factorization.

20221223130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396494571201.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20221223130231 its reverse (13203132212202), we get a palindrome (33424355342433).

The spelling of 20221223130231 in words is "twenty trillion, two hundred twenty-one billion, two hundred twenty-three million, one hundred thirty thousand, two hundred thirty-one".