22061053221536 has 96 divisors (see below), whose sum is σ = 49674331139328. Its totient is φ = 9447699824640.

The previous prime is 22061053221517. The next prime is 22061053221541. The reversal of 22061053221536 is 63512235016022.

It is a self number, because there is not a number n which added to its sum of digits gives 22061053221536.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2802111296 + ... + 2802119168.

It is an arithmetic number, because the mean of its divisors is an integer number (517440949368).

Almost surely, 2^{22061053221536} is an apocalyptic number.

It is an amenable number.

22061053221536 is an abundant number, since it is smaller than the sum of its proper divisors (27613277917792).

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

22061053221536 is a wasteful number, since it uses less digits than its factorization.

22061053221536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15614 (or 15606 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 22061053221536 its reverse (63512235016022), we get a palindrome (85573288237558).

The spelling of 22061053221536 in words is "twenty-two trillion, sixty-one billion, fifty-three million, two hundred twenty-one thousand, five hundred thirty-six".