22515005105 has 8 divisors (see below), whose sum is σ = 28607300712. Its totient is φ = 16952474368.

The previous prime is 22515005089. The next prime is 22515005131. The reversal of 22515005105 is 50150051522.

It can be written as a sum of positive squares in 4 ways, for example, as 10272025201 + 12242979904 = 101351^2 + 110648^2 .

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 22515005105 - 2⁴ = 22515005089 is a prime.

It is a super-2 number, since 2×22515005105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132441122 + ... + 132441291.

It is an arithmetic number, because the mean of its divisors is an integer number (3575912589).

Almost surely, 2^22515005105 is an apocalyptic number.

It is an amenable number.

22515005105 is a deficient number, since it is larger than the sum of its proper divisors (6092295607).

22515005105 is a wasteful number, since it uses less digits than its factorization.

22515005105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264882435.

The product of its (nonzero) digits is 2500, while the sum is 26.

Adding to 22515005105 its reverse (50150051522), we get a palindrome (72665056627).

The spelling of 22515005105 in words is "twenty-two billion, five hundred fifteen million, five thousand, one hundred five".