22405898513 has 2 divisors, whose sum is σ = 22405898514. Its totient is φ = 22405898512.

The previous prime is 22405898503. The next prime is 22405898549. The reversal of 22405898513 is 31589850422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22217989249 + 187909264 = 149057^2 + 13708^2 .

It is a cyclic number.

It is not a de Polignac number, because 22405898513 - 2¹² = 22405894417 is a prime.

It is a super-2 number, since 2×22405898513² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22405898503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11202949256 + 11202949257.

It is an arithmetic number, because the mean of its divisors is an integer number (11202949257).

Almost surely, 2^22405898513 is an apocalyptic number.

It is an amenable number.

22405898513 is a deficient number, since it is larger than the sum of its proper divisors (1).

22405898513 is an equidigital number, since it uses as much as digits as its factorization.

22405898513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 22405898513 in words is "twenty-two billion, four hundred five million, eight hundred ninety-eight thousand, five hundred thirteen".