22423320441 has 6 divisors (see below), whose sum is σ = 32389240650. Its totient is φ = 14948880288.

The previous prime is 22423320397. The next prime is 22423320473. The reversal of 22423320441 is 14402332422.

22423320441 is a `hidden beast` number, since 224 + 233 + 204 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22262132025 + 161188416 = 149205^2 + 12696^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22423320441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22423320481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1245740016 + ... + 1245740033.

It is an arithmetic number, because the mean of its divisors is an integer number (5398206775).

Almost surely, 2^22423320441 is an apocalyptic number.

It is an amenable number.

22423320441 is a deficient number, since it is larger than the sum of its proper divisors (9965920209).

22423320441 is a wasteful number, since it uses less digits than its factorization.

22423320441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491480055 (or 2491480052 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22423320441 its reverse (14402332422), we get a palindrome (36825652863).

The spelling of 22423320441 in words is "twenty-two billion, four hundred twenty-three million, three hundred twenty thousand, four hundred forty-one".