22563402406 has 16 divisors (see below), whose sum is σ = 34078302720. Its totient is φ = 11204008200.

The previous prime is 22563402401. The next prime is 22563402409. The reversal of 22563402406 is 60420436522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22563402401) 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, 1514365 + ... + 1529191.

It is an arithmetic number, because the mean of its divisors is an integer number (2129893920).

Almost surely, 2^22563402406 is an apocalyptic number.

22563402406 is a deficient number, since it is larger than the sum of its proper divisors (11514900314).

22563402406 is a wasteful number, since it uses less digits than its factorization.

22563402406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20019.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 22563402406 its reverse (60420436522), we get a palindrome (82983838928).

The spelling of 22563402406 in words is "twenty-two billion, five hundred sixty-three million, four hundred two thousand, four hundred six".