22145888801 has 4 divisors (see below), whose sum is σ = 22161720000. Its totient is φ = 22130057604.

The previous prime is 22145888783. The next prime is 22145888839. The reversal of 22145888801 is 10888854122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22145888801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22145888861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7913501 + ... + 7916298.

It is an arithmetic number, because the mean of its divisors is an integer number (5540430000).

Almost surely, 2^22145888801 is an apocalyptic number.

It is an amenable number.

22145888801 is a deficient number, since it is larger than the sum of its proper divisors (15831199).

22145888801 is a wasteful number, since it uses less digits than its factorization.

22145888801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15831198.

The product of its (nonzero) digits is 327680, while the sum is 47.

The spelling of 22145888801 in words is "twenty-two billion, one hundred forty-five million, eight hundred eighty-eight thousand, eight hundred one".