22645533 has 8 divisors (see below), whose sum is σ = 30352896. Its totient is φ = 15017600.

The previous prime is 22645507. The next prime is 22645541. The reversal of 22645533 is 33554622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22645533 - 2¹⁰ = 22644509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22645533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22645583) 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 7 ways as a sum of consecutive naturals, for example, 19188 + ... + 20333.

It is an arithmetic number, because the mean of its divisors is an integer number (3794112).

Almost surely, 2^22645533 is an apocalyptic number.

It is an amenable number.

22645533 is a deficient number, since it is larger than the sum of its proper divisors (7707363).

22645533 is a wasteful number, since it uses less digits than its factorization.

22645533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39715.

The product of its digits is 21600, while the sum is 30.

The square root of 22645533 is about 4758.7322891711. The cubic root of 22645533 is about 282.9181756808.

The spelling of 22645533 in words is "twenty-two million, six hundred forty-five thousand, five hundred thirty-three".