225211384 has 16 divisors (see below), whose sum is σ = 423778320. Its totient is φ = 112203840.

The previous prime is 225211379. The next prime is 225211391. The reversal of 225211384 is 483112522.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 47844 + ... + 52339.

It is an arithmetic number, because the mean of its divisors is an integer number (26486145).

Almost surely, 2^225211384 is an apocalyptic number.

It is an amenable number.

225211384 is a deficient number, since it is larger than the sum of its proper divisors (198566936).

225211384 is a wasteful number, since it uses less digits than its factorization.

225211384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100470 (or 100466 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 225211384 is about 15007.0444791771. The cubic root of 225211384 is about 608.4106110790.

The spelling of 225211384 in words is "two hundred twenty-five million, two hundred eleven thousand, three hundred eighty-four".