22350434545 has 4 divisors (see below), whose sum is σ = 26820521460. Its totient is φ = 17880347632.

The previous prime is 22350434503. The next prime is 22350434581. The reversal of 22350434545 is 54543405322.

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 9843814656 + 12506619889 = 99216^2 + 111833^2 .

It is a cyclic number.

It is not a de Polignac number, because 22350434545 - 2⁷ = 22350434417 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, 2235043450 + ... + 2235043459.

It is an arithmetic number, because the mean of its divisors is an integer number (6705130365).

Almost surely, 2^22350434545 is an apocalyptic number.

It is an amenable number.

22350434545 is a deficient number, since it is larger than the sum of its proper divisors (4470086915).

22350434545 is an equidigital number, since it uses as much as digits as its factorization.

22350434545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470086914.

The product of its (nonzero) digits is 288000, while the sum is 37.

Adding to 22350434545 its reverse (54543405322), we get a palindrome (76893839867).

The spelling of 22350434545 in words is "twenty-two billion, three hundred fifty million, four hundred thirty-four thousand, five hundred forty-five".