22515115340050 has 12 divisors (see below), whose sum is σ = 41878114532586. Its totient is φ = 9006046136000.

The previous prime is 22515115340033. The next prime is 22515115340059. The reversal of 22515115340050 is 5004351151522.

It can be written as a sum of positive squares in 3 ways, for example, as 20364091250281 + 2151024089769 = 4512659^2 + 1466637^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22515115339988 and 22515115340015.

It is not an unprimeable number, because it can be changed into a prime (22515115340059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225151153351 + ... + 225151153450.

Almost surely, 2^{22515115340050} is an apocalyptic number.

22515115340050 is a deficient number, since it is larger than the sum of its proper divisors (19362999192536).

22515115340050 is a wasteful number, since it uses less digits than its factorization.

22515115340050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450302306813 (or 450302306808 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 22515115340050 its reverse (5004351151522), we get a palindrome (27519466491572).

The spelling of 22515115340050 in words is "twenty-two trillion, five hundred fifteen billion, one hundred fifteen million, three hundred forty thousand, fifty".