22122044030447 has 2 divisors, whose sum is σ = 22122044030448. Its totient is φ = 22122044030446.

The previous prime is 22122044030393. The next prime is 22122044030459. The reversal of 22122044030447 is 74403044022122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22122044030447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22122044035447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061022015223 + 11061022015224.

It is an arithmetic number, because the mean of its divisors is an integer number (11061022015224).

Almost surely, 2^{22122044030447} is an apocalyptic number.

22122044030447 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122044030447 is an equidigital number, since it uses as much as digits as its factorization.

22122044030447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 35.

Adding to 22122044030447 its reverse (74403044022122), we get a palindrome (96525088052569).

The spelling of 22122044030447 in words is "twenty-two trillion, one hundred twenty-two billion, forty-four million, thirty thousand, four hundred forty-seven".