22505002515 has 12 divisors (see below), whose sum is σ = 39008671104. Its totient is φ = 12002667984.

The previous prime is 22505002511. The next prime is 22505002529. The reversal of 22505002515 is 51520050522.

It is not a de Polignac number, because 22505002515 - 2² = 22505002511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22505002511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250055539 + ... + 250055628.

It is an arithmetic number, because the mean of its divisors is an integer number (3250722592).

Almost surely, 2^22505002515 is an apocalyptic number.

22505002515 is a deficient number, since it is larger than the sum of its proper divisors (16503668589).

22505002515 is a wasteful number, since it uses less digits than its factorization.

22505002515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500111178 (or 500111175 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The spelling of 22505002515 in words is "twenty-two billion, five hundred five million, two thousand, five hundred fifteen".