225190150 has 12 divisors (see below), whose sum is σ = 418853772. Its totient is φ = 90076040.

The previous prime is 225190139. The next prime is 225190151. The reversal of 225190150 is 51091522.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225190151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2251852 + ... + 2251951.

It is an arithmetic number, because the mean of its divisors is an integer number (34904481).

Almost surely, 2^225190150 is an apocalyptic number.

225190150 is a deficient number, since it is larger than the sum of its proper divisors (193663622).

225190150 is a wasteful number, since it uses less digits than its factorization.

225190150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503815 (or 4503810 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 225190150 is about 15006.3369947499. The cubic root of 225190150 is about 608.3914891964.

The spelling of 225190150 in words is "two hundred twenty-five million, one hundred ninety thousand, one hundred fifty".