22143025001 has 2 divisors, whose sum is σ = 22143025002. Its totient is φ = 22143025000.

The previous prime is 22143024997. The next prime is 22143025033. The reversal of 22143025001 is 10052034122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12254711401 + 9888313600 = 110701^2 + 99440^2 .

It is a cyclic number.

It is not a de Polignac number, because 22143025001 - 2² = 22143024997 is a prime.

It is a super-2 number, since 2×22143025001² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22143025601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071512500 + 11071512501.

It is an arithmetic number, because the mean of its divisors is an integer number (11071512501).

Almost surely, 2^22143025001 is an apocalyptic number.

It is an amenable number.

22143025001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22143025001 is an equidigital number, since it uses as much as digits as its factorization.

22143025001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 22143025001 its reverse (10052034122), we get a palindrome (32195059123).

The spelling of 22143025001 in words is "twenty-two billion, one hundred forty-three million, twenty-five thousand, one".