22704424231 has 2 divisors, whose sum is σ = 22704424232. Its totient is φ = 22704424230.

The previous prime is 22704424177. The next prime is 22704424241. The reversal of 22704424231 is 13242440722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22704424231 - 2¹¹ = 22704422183 is a prime.

It is a super-2 number, since 2×22704424231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22704424193 and 22704424202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22704424241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11352212115 + 11352212116.

It is an arithmetic number, because the mean of its divisors is an integer number (11352212116).

Almost surely, 2^22704424231 is an apocalyptic number.

22704424231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22704424231 is an equidigital number, since it uses as much as digits as its factorization.

22704424231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 31.

Adding to 22704424231 its reverse (13242440722), we get a palindrome (35946864953).

The spelling of 22704424231 in words is "twenty-two billion, seven hundred four million, four hundred twenty-four thousand, two hundred thirty-one".