2243437525 has 12 divisors (see below), whose sum is σ = 3179271712. Its totient is φ = 1538357040.

The previous prime is 2243437523. The next prime is 2243437571. The reversal of 2243437525 is 5257343422.

It is not a de Polignac number, because 2243437525 - 2¹ = 2243437523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243437523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6409647 + ... + 6409996.

Almost surely, 2^2243437525 is an apocalyptic number.

2243437525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2243437525 is a deficient number, since it is larger than the sum of its proper divisors (935834187).

2243437525 is a wasteful number, since it uses less digits than its factorization.

2243437525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12819660 (or 12819655 counting only the distinct ones).

The product of its digits is 201600, while the sum is 37.

The square root of 2243437525 is about 47364.9398289494. The cubic root of 2243437525 is about 1309.0954898618.

The spelling of 2243437525 in words is "two billion, two hundred forty-three million, four hundred thirty-seven thousand, five hundred twenty-five".