22432352204545 has 4 divisors (see below), whose sum is σ = 26918822645460. Its totient is φ = 17945881763632.

The previous prime is 22432352204503. The next prime is 22432352204557. The reversal of 22432352204545 is 54540225323422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17306456970609 + 5125895233936 = 4160103^2 + 2264044^2 .

It is a cyclic number.

It is not a de Polignac number, because 22432352204545 - 2⁷ = 22432352204417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243235220450 + ... + 2243235220459.

It is an arithmetic number, because the mean of its divisors is an integer number (6729705661365).

Almost surely, 2^{22432352204545} is an apocalyptic number.

It is an amenable number.

22432352204545 is a deficient number, since it is larger than the sum of its proper divisors (4486470440915).

22432352204545 is an equidigital number, since it uses as much as digits as its factorization.

22432352204545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4486470440914.

The product of its (nonzero) digits is 2304000, while the sum is 43.

Adding to 22432352204545 its reverse (54540225323422), we get a palindrome (76972577527967).

The spelling of 22432352204545 in words is "twenty-two trillion, four hundred thirty-two billion, three hundred fifty-two million, two hundred four thousand, five hundred forty-five".