22222040401 has 4 divisors (see below), whose sum is σ = 24242225904. Its totient is φ = 20201854900.

The previous prime is 22222040381. The next prime is 22222040417. The reversal of 22222040401 is 10404022222.

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-22222040401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22222040431) 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, 1010092735 + ... + 1010092756.

It is an arithmetic number, because the mean of its divisors is an integer number (6060556476).

Almost surely, 2^22222040401 is an apocalyptic number.

It is an amenable number.

22222040401 is a deficient number, since it is larger than the sum of its proper divisors (2020185503).

22222040401 is a wasteful number, since it uses less digits than its factorization.

22222040401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020185502.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22222040401 its reverse (10404022222), we get a palindrome (32626062623).

The spelling of 22222040401 in words is "twenty-two billion, two hundred twenty-two million, forty thousand, four hundred one".