22666533 has 12 divisors (see below), whose sum is σ = 31066560. Its totient is φ = 14699952.

The previous prime is 22666531. The next prime is 22666541. The reversal of 22666533 is 33566622.

It is not a de Polignac number, because 22666533 - 2¹ = 22666531 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22666494 and 22666503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22666531) 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, 1348 + ... + 6866.

It is an arithmetic number, because the mean of its divisors is an integer number (2588880).

Almost surely, 2^22666533 is an apocalyptic number.

It is an amenable number.

22666533 is a deficient number, since it is larger than the sum of its proper divisors (8400027).

22666533 is an equidigital number, since it uses as much as digits as its factorization.

22666533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5596 (or 5559 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The square root of 22666533 is about 4760.9382478667. The cubic root of 22666533 is about 283.0056019901.

The spelling of 22666533 in words is "twenty-two million, six hundred sixty-six thousand, five hundred thirty-three".