22402240401 has 4 divisors (see below), whose sum is σ = 29869653872. Its totient is φ = 14934826932.

The previous prime is 22402240397. The next prime is 22402240403. The reversal of 22402240401 is 10404220422.

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 not a de Polignac number, because 22402240401 - 2² = 22402240397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22402240403) 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, 3733706731 + ... + 3733706736.

It is an arithmetic number, because the mean of its divisors is an integer number (7467413468).

Almost surely, 2^22402240401 is an apocalyptic number.

It is an amenable number.

22402240401 is a deficient number, since it is larger than the sum of its proper divisors (7467413471).

22402240401 is an equidigital number, since it uses as much as digits as its factorization.

22402240401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7467413470.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22402240401 its reverse (10404220422), we get a palindrome (32806460823).

The spelling of 22402240401 in words is "twenty-two billion, four hundred two million, two hundred forty thousand, four hundred one".