22145200001 has 2 divisors, whose sum is σ = 22145200002. Its totient is φ = 22145200000.

The previous prime is 22145199983. The next prime is 22145200019. The reversal of 22145200001 is 10000254122.

It is a balanced prime because it is at equal distance from previous prime (22145199983) and next prime (22145200019).

It can be written as a sum of positive squares in only one way, i.e., 12962961025 + 9182238976 = 113855^2 + 95824^2 .

It is a cyclic number.

It is not a de Polignac number, because 22145200001 - 2²⁶ = 22078091137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22145200031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11072600000 + 11072600001.

It is an arithmetic number, because the mean of its divisors is an integer number (11072600001).

Almost surely, 2^22145200001 is an apocalyptic number.

It is an amenable number.

22145200001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22145200001 is an equidigital number, since it uses as much as digits as its factorization.

22145200001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 22145200001 its reverse (10000254122), we get a palindrome (32145454123).

The spelling of 22145200001 in words is "twenty-two billion, one hundred forty-five million, two hundred thousand, one".