22401401 has 8 divisors (see below), whose sum is σ = 24514464. Its totient is φ = 20301120.

The previous prime is 22401397. The next prime is 22401433. The reversal of 22401401 is 10410422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22401401 - 2² = 22401397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22401481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686 + ... + 6728.

It is an arithmetic number, because the mean of its divisors is an integer number (3064308).

Almost surely, 2^22401401 is an apocalyptic number.

It is an amenable number.

22401401 is a deficient number, since it is larger than the sum of its proper divisors (2113063).

22401401 is a wasteful number, since it uses less digits than its factorization.

22401401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 22401401 is about 4733.0118318044. The cubic root of 22401401 is about 281.8978261038.

Adding to 22401401 its reverse (10410422), we get a palindrome (32811823).

The spelling of 22401401 in words is "twenty-two million, four hundred one thousand, four hundred one".