22143051053525 has 6 divisors (see below), whose sum is σ = 27457383306402. Its totient is φ = 17714440842800.

The previous prime is 22143051053491. The next prime is 22143051053561. The reversal of 22143051053525 is 52535015034122.

It can be written as a sum of positive squares in 3 ways, for example, as 3306480004 + 22139744573521 = 57502^2 + 4705289^2 .

It is not a de Polignac number, because 22143051053525 - 2¹⁴ = 22143051037141 is a prime.

It is a super-2 number, since 2×22143051053525² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 442861021046 + ... + 442861021095.

It is an arithmetic number, because the mean of its divisors is an integer number (4576230551067).

Almost surely, 2^{22143051053525} is an apocalyptic number.

22143051053525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22143051053525 is a deficient number, since it is larger than the sum of its proper divisors (5314332252877).

22143051053525 is an equidigital number, since it uses as much as digits as its factorization.

22143051053525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885722042151 (or 885722042146 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 22143051053525 its reverse (52535015034122), we get a palindrome (74678066087647).

The spelling of 22143051053525 in words is "twenty-two trillion, one hundred forty-three billion, fifty-one million, fifty-three thousand, five hundred twenty-five".