22401022401 has 48 divisors (see below), whose sum is σ = 34663337280. Its totient is φ = 13899600000.

The previous prime is 22401022393. The next prime is 22401022447. The reversal of 22401022401 is 10422010422.

22401022401 is a `hidden beast` number, since 2 + 240 + 1 + 0 + 22 + 401 = 666.

It is not a de Polignac number, because 22401022401 - 2³ = 22401022393 is a prime.

It is a super-2 number, since 2×22401022401² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22401022801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2257551 + ... + 2267451.

It is an arithmetic number, because the mean of its divisors is an integer number (722152860).

Almost surely, 2^22401022401 is an apocalyptic number.

It is an amenable number.

22401022401 is a deficient number, since it is larger than the sum of its proper divisors (12262314879).

22401022401 is a wasteful number, since it uses less digits than its factorization.

22401022401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10158 (or 10155 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22401022401 its reverse (10422010422), we get a palindrome (32823032823).

The spelling of 22401022401 in words is "twenty-two billion, four hundred one million, twenty-two thousand, four hundred one".