22543230401 has 16 divisors (see below), whose sum is σ = 22972896960. Its totient is φ = 22118443200.

The previous prime is 22543230397. The next prime is 22543230407. The reversal of 22543230401 is 10403234522.

It is a cyclic number.

It is not a de Polignac number, because 22543230401 - 2² = 22543230397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22543230407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6237671 + ... + 6241283.

It is an arithmetic number, because the mean of its divisors is an integer number (1435806060).

Almost surely, 2^22543230401 is an apocalyptic number.

It is an amenable number.

22543230401 is a deficient number, since it is larger than the sum of its proper divisors (429666559).

22543230401 is a wasteful number, since it uses less digits than its factorization.

22543230401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 22543230401 its reverse (10403234522), we get a palindrome (32946464923).

The spelling of 22543230401 in words is "twenty-two billion, five hundred forty-three million, two hundred thirty thousand, four hundred one".