22778606801 has 4 divisors (see below), whose sum is σ = 22779662400. Its totient is φ = 22777551204.

The previous prime is 22778606789. The next prime is 22778606819. The reversal of 22778606801 is 10860687722.

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 22778606801 - 2³⁰ = 21704864977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22778606821) 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, 494741 + ... + 538818.

It is an arithmetic number, because the mean of its divisors is an integer number (5694915600).

Almost surely, 2^22778606801 is an apocalyptic number.

It is an amenable number.

22778606801 is a deficient number, since it is larger than the sum of its proper divisors (1055599).

22778606801 is a wasteful number, since it uses less digits than its factorization.

22778606801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055598.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 22778606801 in words is "twenty-two billion, seven hundred seventy-eight million, six hundred six thousand, eight hundred one".