22124224142525 has 6 divisors (see below), whose sum is σ = 27434037936762. Its totient is φ = 17699379314000.

The previous prime is 22124224142519. The next prime is 22124224142551. The reversal of 22124224142525 is 52524142242122.

It can be written as a sum of positive squares in 3 ways, for example, as 334849710244 + 21789374432281 = 578662^2 + 4667909^2 .

It is not a de Polignac number, because 22124224142525 - 2⁸ = 22124224142269 is a prime.

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, 442484482826 + ... + 442484482875.

It is an arithmetic number, because the mean of its divisors is an integer number (4572339656127).

Almost surely, 2^{22124224142525} is an apocalyptic number.

22124224142525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22124224142525 is a deficient number, since it is larger than the sum of its proper divisors (5309813794237).

22124224142525 is an equidigital number, since it uses as much as digits as its factorization.

22124224142525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884968965711 (or 884968965706 counting only the distinct ones).

The product of its digits is 204800, while the sum is 38.

Adding to 22124224142525 its reverse (52524142242122), we get a palindrome (74648366384647).

The spelling of 22124224142525 in words is "twenty-two trillion, one hundred twenty-four billion, two hundred twenty-four million, one hundred forty-two thousand, five hundred twenty-five".