22543020057 has 8 divisors (see below), whose sum is σ = 30087941184. Its totient is φ = 15013389488.

The previous prime is 22543020029. The next prime is 22543020067. The reversal of 22543020057 is 75002034522.

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 22543020057 - 2⁷ = 22543019929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22543020067) 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, 3819198 + ... + 3825095.

It is an arithmetic number, because the mean of its divisors is an integer number (3760992648).

Almost surely, 2^22543020057 is an apocalyptic number.

It is an amenable number.

22543020057 is a deficient number, since it is larger than the sum of its proper divisors (7544921127).

22543020057 is an equidigital number, since it uses as much as digits as its factorization.

22543020057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7645279.

The product of its (nonzero) digits is 16800, while the sum is 30.

Adding to 22543020057 its reverse (75002034522), we get a palindrome (97545054579).

The spelling of 22543020057 in words is "twenty-two billion, five hundred forty-three million, twenty thousand, fifty-seven".