22140041421 has 32 divisors (see below), whose sum is σ = 30138780672. Its totient is φ = 14454435200.

The previous prime is 22140041419. The next prime is 22140041437. The reversal of 22140041421 is 12414004122.

It is a cyclic number.

It is not a de Polignac number, because 22140041421 - 2¹ = 22140041419 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22140041321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15257746 + ... + 15259196.

It is an arithmetic number, because the mean of its divisors is an integer number (941836896).

Almost surely, 2^22140041421 is an apocalyptic number.

It is an amenable number.

22140041421 is a deficient number, since it is larger than the sum of its proper divisors (7998739251).

22140041421 is a wasteful number, since it uses less digits than its factorization.

22140041421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22140041421 its reverse (12414004122), we get a palindrome (34554045543).

The spelling of 22140041421 in words is "twenty-two billion, one hundred forty million, forty-one thousand, four hundred twenty-one".