22010204401 has 4 divisors (see below), whose sum is σ = 22010511600. Its totient is φ = 22009897204.

The previous prime is 22010204399. The next prime is 22010204413. The reversal of 22010204401 is 10440201022.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10440201022 = 2 ⋅5220100511.

It is a cyclic number.

It is not a de Polignac number, because 22010204401 - 2¹ = 22010204399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22010204471) 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, 17130 + ... + 210508.

It is an arithmetic number, because the mean of its divisors is an integer number (5502627900).

Almost surely, 2^22010204401 is an apocalyptic number.

It is an amenable number.

22010204401 is a deficient number, since it is larger than the sum of its proper divisors (307199).

22010204401 is a wasteful number, since it uses less digits than its factorization.

22010204401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307198.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22010204401 its reverse (10440201022), we get a palindrome (32450405423).

The spelling of 22010204401 in words is "twenty-two billion, ten million, two hundred four thousand, four hundred one".