22011547801 has 4 divisors (see below), whose sum is σ = 22169904400. Its totient is φ = 21853191204.

The previous prime is 22011547763. The next prime is 22011547829. The reversal of 22011547801 is 10874511022.

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 not a de Polignac number, because 22011547801 - 2⁷ = 22011547673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011547891) 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, 79178091 + ... + 79178368.

It is an arithmetic number, because the mean of its divisors is an integer number (5542476100).

Almost surely, 2^22011547801 is an apocalyptic number.

It is an amenable number.

22011547801 is a deficient number, since it is larger than the sum of its proper divisors (158356599).

22011547801 is a wasteful number, since it uses less digits than its factorization.

22011547801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158356598.

The product of its (nonzero) digits is 4480, while the sum is 31.

The spelling of 22011547801 in words is "twenty-two billion, eleven million, five hundred forty-seven thousand, eight hundred one".