22541144525 has 6 divisors (see below), whose sum is σ = 27951019242. Its totient is φ = 18032915600.

The previous prime is 22541144491. The next prime is 22541144537. The reversal of 22541144525 is 52544114522.

It can be written as a sum of positive squares in 3 ways, for example, as 41744521 + 22499400004 = 6461^2 + 149998^2 .

It is not a de Polignac number, because 22541144525 - 2¹⁰ = 22541143501 is a prime.

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, 450822866 + ... + 450822915.

It is an arithmetic number, because the mean of its divisors is an integer number (4658503207).

Almost surely, 2^22541144525 is an apocalyptic number.

22541144525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22541144525 is a deficient number, since it is larger than the sum of its proper divisors (5409874717).

22541144525 is an equidigital number, since it uses as much as digits as its factorization.

22541144525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901645791 (or 901645786 counting only the distinct ones).

The product of its digits is 64000, while the sum is 35.

The spelling of 22541144525 in words is "twenty-two billion, five hundred forty-one million, one hundred forty-four thousand, five hundred twenty-five".