22540451345 has 16 divisors (see below), whose sum is σ = 27226704960. Its totient is φ = 17913960000.

The previous prime is 22540451341. The next prime is 22540451359. The reversal of 22540451345 is 54315404522.

It is not a de Polignac number, because 22540451345 - 2² = 22540451341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22540451341) 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, 465110 + ... + 511280.

It is an arithmetic number, because the mean of its divisors is an integer number (1701669060).

Almost surely, 2^22540451345 is an apocalyptic number.

It is an amenable number.

22540451345 is a deficient number, since it is larger than the sum of its proper divisors (4686253615).

22540451345 is a wasteful number, since it uses less digits than its factorization.

22540451345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46816.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 22540451345 its reverse (54315404522), we get a palindrome (76855855867).

The spelling of 22540451345 in words is "twenty-two billion, five hundred forty million, four hundred fifty-one thousand, three hundred forty-five".