22563185242 has 32 divisors (see below), whose sum is σ = 38243237760. Its totient is φ = 9905924160.

The previous prime is 22563185209. The next prime is 22563185243. The reversal of 22563185242 is 24258136522.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22563185195 and 22563185204.

It is not an unprimeable number, because it can be changed into a prime (22563185243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4009 + ... + 212467.

It is an arithmetic number, because the mean of its divisors is an integer number (1195101180).

Almost surely, 2^22563185242 is an apocalyptic number.

22563185242 is a deficient number, since it is larger than the sum of its proper divisors (15680052518).

22563185242 is a wasteful number, since it uses less digits than its factorization.

22563185242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208678.

The product of its digits is 230400, while the sum is 40.

The spelling of 22563185242 in words is "twenty-two billion, five hundred sixty-three million, one hundred eighty-five thousand, two hundred forty-two".