22500226655250 has 64 divisors (see below), whose sum is σ = 56161684305792. Its totient is φ = 5999940936000.

The previous prime is 22500226655233. The next prime is 22500226655273. The reversal of 22500226655250 is 5255662200522.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41227152 + ... + 41769348.

It is an arithmetic number, because the mean of its divisors is an integer number (877526317278).

Almost surely, 2^{22500226655250} is an apocalyptic number.

22500226655250 is an abundant number, since it is smaller than the sum of its proper divisors (33661457650542).

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

22500226655250 is a wasteful number, since it uses less digits than its factorization.

22500226655250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597548 (or 597538 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 22500226655250 its reverse (5255662200522), we get a palindrome (27755888855772).

The spelling of 22500226655250 in words is "twenty-two trillion, five hundred billion, two hundred twenty-six million, six hundred fifty-five thousand, two hundred fifty".