22563006 has 16 divisors (see below), whose sum is σ = 45388944. Its totient is φ = 7477184.

The previous prime is 22562989. The next prime is 22563017. The reversal of 22563006 is 60036522.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9831 + ... + 11906.

It is an arithmetic number, because the mean of its divisors is an integer number (2836809).

Almost surely, 2^22563006 is an apocalyptic number.

22563006 is an abundant number, since it is smaller than the sum of its proper divisors (22825938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22563006 is a wasteful number, since it uses less digits than its factorization.

22563006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21915.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 22563006 is about 4750.0532628593. The cubic root of 22563006 is about 282.5740782577.

Adding to 22563006 its reverse (60036522), we get a palindrome (82599528).

The spelling of 22563006 in words is "twenty-two million, five hundred sixty-three thousand, six".