22140025513 has 2 divisors, whose sum is σ = 22140025514. Its totient is φ = 22140025512.

The previous prime is 22140025499. The next prime is 22140025517. The reversal of 22140025513 is 31552004122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14449963264 + 7690062249 = 120208^2 + 87693^2 .

It is a cyclic number.

It is not a de Polignac number, because 22140025513 - 2²¹ = 22137928361 is a prime.

It is not a weakly prime, because it can be changed into another prime (22140025517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11070012756 + 11070012757.

It is an arithmetic number, because the mean of its divisors is an integer number (11070012757).

Almost surely, 2^22140025513 is an apocalyptic number.

It is an amenable number.

22140025513 is a deficient number, since it is larger than the sum of its proper divisors (1).

22140025513 is an equidigital number, since it uses as much as digits as its factorization.

22140025513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 22140025513 its reverse (31552004122), we get a palindrome (53692029635).

The spelling of 22140025513 in words is "twenty-two billion, one hundred forty million, twenty-five thousand, five hundred thirteen".