16500012225224 has 32 divisors (see below), whose sum is σ = 33754679562240. Its totient is φ = 7498971211200.

The previous prime is 16500012225199. The next prime is 16500012225227. The reversal of 16500012225224 is 42252221000561.

It is a super-2 number, since 2×16500012225224² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16500012225227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12287432 + ... + 13563959.

It is an arithmetic number, because the mean of its divisors is an integer number (1054833736320).

Almost surely, 2^{16500012225224} is an apocalyptic number.

It is an amenable number.

16500012225224 is an abundant number, since it is smaller than the sum of its proper divisors (17254667337016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16500012225224 is a wasteful number, since it uses less digits than its factorization.

16500012225224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25858661 (or 25858657 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 16500012225224 its reverse (42252221000561), we get a palindrome (58752233225785).

The spelling of 16500012225224 in words is "sixteen trillion, five hundred billion, twelve million, two hundred twenty-five thousand, two hundred twenty-four".