225211110198 has 8 divisors (see below), whose sum is σ = 450422220408. Its totient is φ = 75070370064.

The previous prime is 225211110191. The next prime is 225211110211. The reversal of 225211110198 is 891011112522.

It is a sphenic number, since it is the product of 3 distinct primes.

225211110198 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225211110191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18767592511 + ... + 18767592522.

It is an arithmetic number, because the mean of its divisors is an integer number (56302777551).

Almost surely, 2^225211110198 is an apocalyptic number.

225211110198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225211110198 is a wasteful number, since it uses less digits than its factorization.

225211110198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37535185038.

The product of its (nonzero) digits is 2880, while the sum is 33.

The spelling of 225211110198 in words is "two hundred twenty-five billion, two hundred eleven million, one hundred ten thousand, one hundred ninety-eight".