22443252232505 has 16 divisors (see below), whose sum is σ = 29003748750144. Its totient is φ = 16573386429120.

The previous prime is 22443252232487. The next prime is 22443252232507. The reversal of 22443252232505 is 50523225234422.

It is not a de Polignac number, because 22443252232505 - 2⁸ = 22443252232249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22443252232507) 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, 12198542 + ... + 13917288.

It is an arithmetic number, because the mean of its divisors is an integer number (1812734296884).

Almost surely, 2^{22443252232505} is an apocalyptic number.

It is an amenable number.

22443252232505 is a deficient number, since it is larger than the sum of its proper divisors (6560496517639).

22443252232505 is a wasteful number, since it uses less digits than its factorization.

22443252232505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919656.

The product of its (nonzero) digits is 1152000, while the sum is 41.

Adding to 22443252232505 its reverse (50523225234422), we get a palindrome (72966477466927).

The spelling of 22443252232505 in words is "twenty-two trillion, four hundred forty-three billion, two hundred fifty-two million, two hundred thirty-two thousand, five hundred five".