22541144021 has 8 divisors (see below), whose sum is σ = 24783965184. Its totient is φ = 20330593920.

The previous prime is 22541143991. The next prime is 22541144027. The reversal of 22541144021 is 12044114522.

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 22541144021 - 2³⁰ = 21467402197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22541144027) 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, 8066300 + ... + 8069093.

It is an arithmetic number, because the mean of its divisors is an integer number (3097995648).

Almost surely, 2^22541144021 is an apocalyptic number.

It is an amenable number.

22541144021 is a deficient number, since it is larger than the sum of its proper divisors (2242821163).

22541144021 is a wasteful number, since it uses less digits than its factorization.

22541144021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16135531.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 22541144021 its reverse (12044114522), we get a palindrome (34585258543).

The spelling of 22541144021 in words is "twenty-two billion, five hundred forty-one million, one hundred forty-four thousand, twenty-one".