22243400201 has 4 divisors (see below), whose sum is σ = 24265527504. Its totient is φ = 20221272900.

The previous prime is 22243400191. The next prime is 22243400227. The reversal of 22243400201 is 10200434222.

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 22243400201 - 2¹⁰ = 22243399177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22243400261) 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, 1011063635 + ... + 1011063656.

It is an arithmetic number, because the mean of its divisors is an integer number (6066381876).

Almost surely, 2^22243400201 is an apocalyptic number.

It is an amenable number.

22243400201 is a deficient number, since it is larger than the sum of its proper divisors (2022127303).

22243400201 is a wasteful number, since it uses less digits than its factorization.

22243400201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022127302.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22243400201 its reverse (10200434222), we get a palindrome (32443834423).

The spelling of 22243400201 in words is "twenty-two billion, two hundred forty-three million, four hundred thousand, two hundred one".