22515004240045 has 8 divisors (see below), whose sum is σ = 27034923072024. Its totient is φ = 18000724736064.

The previous prime is 22515004240019. The next prime is 22515004240081. The reversal of 22515004240045 is 54004240051522.

It can be written as a sum of positive squares in 4 ways, for example, as 3841984169604 + 18673020070441 = 1960098^2 + 4321229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22515004240045 - 2²³ = 22514995851437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1409823214 + ... + 1409839183.

It is an arithmetic number, because the mean of its divisors is an integer number (3379365384003).

Almost surely, 2^{22515004240045} is an apocalyptic number.

It is an amenable number.

22515004240045 is a deficient number, since it is larger than the sum of its proper divisors (4519918831979).

22515004240045 is a wasteful number, since it uses less digits than its factorization.

22515004240045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819663999.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 22515004240045 its reverse (54004240051522), we get a palindrome (76519244291567).

The spelling of 22515004240045 in words is "twenty-two trillion, five hundred fifteen billion, four million, two hundred forty thousand, forty-five".