22301312445 has 20 divisors (see below), whose sum is σ = 39977168220. Its totient is φ = 11894033088.

The previous prime is 22301312441. The next prime is 22301312459. The reversal of 22301312445 is 54421310322.

22301312445 is a `hidden beast` number, since 2 + 2 + 301 + 312 + 4 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14023770084 + 8277542361 = 118422^2 + 90981^2 .

It is not a de Polignac number, because 22301312445 - 2² = 22301312441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22301312441) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27532080 + ... + 27532889.

It is an arithmetic number, because the mean of its divisors is an integer number (1998858411).

Almost surely, 2^22301312445 is an apocalyptic number.

It is an amenable number.

22301312445 is a deficient number, since it is larger than the sum of its proper divisors (17675855775).

22301312445 is an equidigital number, since it uses as much as digits as its factorization.

22301312445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55064986 (or 55064977 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 22301312445 its reverse (54421310322), we get a palindrome (76722622767).

The spelling of 22301312445 in words is "twenty-two billion, three hundred one million, three hundred twelve thousand, four hundred forty-five".