23222005447 has 16 divisors (see below), whose sum is σ = 24575134720. Its totient is φ = 21882247200.

The previous prime is 23222005421. The next prime is 23222005459. The reversal of 23222005447 is 74450022232.

It is a cyclic number.

It is not a de Polignac number, because 23222005447 - 2³¹ = 21074521799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23222105447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3400078 + ... + 3406900.

It is an arithmetic number, because the mean of its divisors is an integer number (1535945920).

Almost surely, 2^23222005447 is an apocalyptic number.

23222005447 is a deficient number, since it is larger than the sum of its proper divisors (1353129273).

23222005447 is a wasteful number, since it uses less digits than its factorization.

23222005447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7774.

The product of its (nonzero) digits is 26880, while the sum is 31.

Adding to 23222005447 its reverse (74450022232), we get a palindrome (97672027679).

The spelling of 23222005447 in words is "twenty-three billion, two hundred twenty-two million, five thousand, four hundred forty-seven".