22004145515312 has 20 divisors (see below), whose sum is σ = 42633921187440. Its totient is φ = 11001843273408.

The previous prime is 22004145515309. The next prime is 22004145515323. The reversal of 22004145515312 is 21351554140022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13550387 + ... + 15087122.

It is an arithmetic number, because the mean of its divisors is an integer number (2131696059372).

Almost surely, 2^{22004145515312} is an apocalyptic number.

It is an amenable number.

22004145515312 is a deficient number, since it is larger than the sum of its proper divisors (20629775672128).

22004145515312 is a wasteful number, since it uses less digits than its factorization.

22004145515312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28685540 (or 28685534 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 22004145515312 its reverse (21351554140022), we get a palindrome (43355699655334).

The spelling of 22004145515312 in words is "twenty-two trillion, four billion, one hundred forty-five million, five hundred fifteen thousand, three hundred twelve".