22906559 has 8 divisors (see below), whose sum is σ = 24710112. Its totient is φ = 21108960.

The previous prime is 22906519. The next prime is 22906561. The reversal of 22906559 is 95560922.

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 22906559 - 2¹² = 22902463 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 (22906519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9629 + ... + 11769.

It is an arithmetic number, because the mean of its divisors is an integer number (3088764).

Almost surely, 2^22906559 is an apocalyptic number.

22906559 is a deficient number, since it is larger than the sum of its proper divisors (1803553).

22906559 is a wasteful number, since it uses less digits than its factorization.

22906559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 22906559 is about 4786.0797109952. The cubic root of 22906559 is about 284.0010538545.

The spelling of 22906559 in words is "twenty-two million, nine hundred six thousand, five hundred fifty-nine".