22440101 has 4 divisors (see below), whose sum is σ = 22454304. Its totient is φ = 22425900.

The previous prime is 22440059. The next prime is 22440133. The reversal of 22440101 is 10104422.

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 not a de Polignac number, because 22440101 - 2⁶ = 22440037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22440401) 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, 4385 + ... + 8006.

It is an arithmetic number, because the mean of its divisors is an integer number (5613576).

Almost surely, 2^22440101 is an apocalyptic number.

It is an amenable number.

22440101 is a deficient number, since it is larger than the sum of its proper divisors (14203).

22440101 is a wasteful number, since it uses less digits than its factorization.

22440101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14202.

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

The square root of 22440101 is about 4737.0983734772. The cubic root of 22440101 is about 282.0600655045.

Adding to 22440101 its reverse (10104422), we get a palindrome (32544523).

The spelling of 22440101 in words is "twenty-two million, four hundred forty thousand, one hundred one".