22644223250 has 32 divisors (see below), whose sum is σ = 46243626624. Its totient is φ = 8234262000.

The previous prime is 22644223243. The next prime is 22644223253. The reversal of 22644223250 is 5232244622.

It is not an unprimeable number, because it can be changed into a prime (22644223253) 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, 4114382 + ... + 4119881.

It is an arithmetic number, because the mean of its divisors is an integer number (1445113332).

Almost surely, 2^22644223250 is an apocalyptic number.

22644223250 is an abundant number, since it is smaller than the sum of its proper divisors (23599403374).

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

22644223250 is a wasteful number, since it uses less digits than its factorization.

22644223250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8234291 (or 8234281 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 22644223250 its reverse (5232244622), we get a palindrome (27876467872).

The spelling of 22644223250 in words is "twenty-two billion, six hundred forty-four million, two hundred twenty-three thousand, two hundred fifty".