22000424231 has 2 divisors, whose sum is σ = 22000424232. Its totient is φ = 22000424230.

The previous prime is 22000424221. The next prime is 22000424269. The reversal of 22000424231 is 13242400022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22000424231 is a prime.

It is a super-2 number, since 2×22000424231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22000424221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000212115 + 11000212116.

It is an arithmetic number, because the mean of its divisors is an integer number (11000212116).

Almost surely, 2^22000424231 is an apocalyptic number.

22000424231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000424231 is an equidigital number, since it uses as much as digits as its factorization.

22000424231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22000424231 its reverse (13242400022), we get a palindrome (35242824253).

The spelling of 22000424231 in words is "twenty-two billion, four hundred twenty-four thousand, two hundred thirty-one".