22550232210 has 128 divisors (see below), whose sum is σ = 60199179264. Its totient is φ = 5360213760.

The previous prime is 22550232209. The next prime is 22550232223. The reversal of 22550232210 is 1223205522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5016724 + ... + 5021216.

It is an arithmetic number, because the mean of its divisors is an integer number (470306088).

Almost surely, 2^22550232210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22550232210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30099589632).

22550232210 is an abundant number, since it is smaller than the sum of its proper divisors (37648947054).

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

22550232210 is a wasteful number, since it uses less digits than its factorization.

22550232210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 22550232210 its reverse (1223205522), we get a palindrome (23773437732).

The spelling of 22550232210 in words is "twenty-two billion, five hundred fifty million, two hundred thirty-two thousand, two hundred ten".