22443141725 has 6 divisors (see below), whose sum is σ = 27829495770. Its totient is φ = 17954513360.

The previous prime is 22443141701. The next prime is 22443141727. The reversal of 22443141725 is 52714134422.

It can be written as a sum of positive squares in 3 ways, for example, as 8032819876 + 14410321849 = 89626^2 + 120043^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22443141725 is a prime.

It is a super-2 number, since 2×22443141725² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22443141727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 448862810 + ... + 448862859.

It is an arithmetic number, because the mean of its divisors is an integer number (4638249295).

Almost surely, 2^22443141725 is an apocalyptic number.

22443141725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22443141725 is a deficient number, since it is larger than the sum of its proper divisors (5386354045).

22443141725 is an equidigital number, since it uses as much as digits as its factorization.

22443141725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897725679 (or 897725674 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The spelling of 22443141725 in words is "twenty-two billion, four hundred forty-three million, one hundred forty-one thousand, seven hundred twenty-five".