22743525 has 24 divisors (see below), whose sum is σ = 42975424. Its totient is φ = 10396800.

The previous prime is 22743503. The next prime is 22743529. The reversal of 22743525 is 52534722.

It is not a de Polignac number, because 22743525 - 2⁸ = 22743269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22743492 and 22743501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22743529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21136 + ... + 22185.

Almost surely, 2^22743525 is an apocalyptic number.

22743525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22743525 is a deficient number, since it is larger than the sum of its proper divisors (20231899).

22743525 is a wasteful number, since it uses less digits than its factorization.

22743525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43341 (or 43336 counting only the distinct ones).

The product of its digits is 16800, while the sum is 30.

The square root of 22743525 is about 4769.0171943494. The cubic root of 22743525 is about 283.3256706886.

The spelling of 22743525 in words is "twenty-two million, seven hundred forty-three thousand, five hundred twenty-five".