22641543 has 6 divisors (see below), whose sum is σ = 32704464. Its totient is φ = 15094356.

The previous prime is 22641527. The next prime is 22641551. The reversal of 22641543 is 34514622.

It is not a de Polignac number, because 22641543 - 2⁴ = 22641527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22641343) 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, 1257855 + ... + 1257872.

It is an arithmetic number, because the mean of its divisors is an integer number (5450744).

Almost surely, 2^22641543 is an apocalyptic number.

22641543 is a deficient number, since it is larger than the sum of its proper divisors (10062921).

22641543 is a wasteful number, since it uses less digits than its factorization.

22641543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515733 (or 2515730 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 22641543 is about 4758.3130414045. The cubic root of 22641543 is about 282.9015585725.

The spelling of 22641543 in words is "twenty-two million, six hundred forty-one thousand, five hundred forty-three".