22251423513325 has 6 divisors (see below), whose sum is σ = 27591765156554. Its totient is φ = 17801138810640.

The previous prime is 22251423513307. The next prime is 22251423513331. The reversal of 22251423513325 is 52331532415222.

It can be written as a sum of positive squares in 3 ways, for example, as 359823621609 + 21891599891716 = 599853^2 + 4678846^2 .

It is not a de Polignac number, because 22251423513325 - 2¹¹ = 22251423511277 is a prime.

It is a super-3 number, since 3×22251423513325³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 445028470242 + ... + 445028470291.

Almost surely, 2^{22251423513325} is an apocalyptic number.

22251423513325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22251423513325 is a deficient number, since it is larger than the sum of its proper divisors (5340341643229).

22251423513325 is an equidigital number, since it uses as much as digits as its factorization.

22251423513325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890056940543 (or 890056940538 counting only the distinct ones).

The product of its digits is 432000, while the sum is 40.

Adding to 22251423513325 its reverse (52331532415222), we get a palindrome (74582955928547).

The spelling of 22251423513325 in words is "twenty-two trillion, two hundred fifty-one billion, four hundred twenty-three million, five hundred thirteen thousand, three hundred twenty-five".