22210231447 has 2 divisors, whose sum is σ = 22210231448. Its totient is φ = 22210231446.

The previous prime is 22210231429. The next prime is 22210231471. The reversal of 22210231447 is 74413201222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22210231447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22210237447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105115723 + 11105115724.

It is an arithmetic number, because the mean of its divisors is an integer number (11105115724).

Almost surely, 2^22210231447 is an apocalyptic number.

22210231447 is a deficient number, since it is larger than the sum of its proper divisors (1).

22210231447 is an equidigital number, since it uses as much as digits as its factorization.

22210231447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 22210231447 its reverse (74413201222), we get a palindrome (96623432669).

The spelling of 22210231447 in words is "twenty-two billion, two hundred ten million, two hundred thirty-one thousand, four hundred forty-seven".