22131536303245 has 32 divisors (see below), whose sum is σ = 27850658872320. Its totient is φ = 16870110416640.

The previous prime is 22131536303243. The next prime is 22131536303263. The reversal of 22131536303245 is 54230363513122.

It is not a de Polignac number, because 22131536303245 - 2¹ = 22131536303243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22131536303198 and 22131536303207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131536303243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7388169 + ... + 9942238.

It is an arithmetic number, because the mean of its divisors is an integer number (870333089760).

Almost surely, 2^{22131536303245} is an apocalyptic number.

It is an amenable number.

22131536303245 is a deficient number, since it is larger than the sum of its proper divisors (5719122569075).

22131536303245 is a wasteful number, since it uses less digits than its factorization.

22131536303245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17330605.

The product of its (nonzero) digits is 388800, while the sum is 40.

Adding to 22131536303245 its reverse (54230363513122), we get a palindrome (76361899816367).

The spelling of 22131536303245 in words is "twenty-two trillion, one hundred thirty-one billion, five hundred thirty-six million, three hundred three thousand, two hundred forty-five".