22015853806801 has 8 divisors (see below), whose sum is σ = 22208198826240. Its totient is φ = 21823993895952.

The previous prime is 22015853806781. The next prime is 22015853806811. The reversal of 22015853806801 is 10860835851022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22015853806801 - 2²⁵ = 22015820252369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22015853806811) 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, 121185985 + ... + 121367518.

It is an arithmetic number, because the mean of its divisors is an integer number (2776024853280).

Almost surely, 2^{22015853806801} is an apocalyptic number.

It is an amenable number.

22015853806801 is a deficient number, since it is larger than the sum of its proper divisors (192345019439).

22015853806801 is a wasteful number, since it uses less digits than its factorization.

22015853806801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242554295.

The product of its (nonzero) digits is 921600, while the sum is 49.

The spelling of 22015853806801 in words is "twenty-two trillion, fifteen billion, eight hundred fifty-three million, eight hundred six thousand, eight hundred one".