900998225 has 12 divisors (see below), whose sum is σ = 1141010304. Its totient is φ = 705461520.

The previous prime is 900998201. The next prime is 900998227. The reversal of 900998225 is 522899009.

It is not a de Polignac number, because 900998225 - 2⁸ = 900997969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900998227) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 382229 + ... + 384578.

It is an arithmetic number, because the mean of its divisors is an integer number (95084192).

Almost surely, 2^900998225 is an apocalyptic number.

It is an amenable number.

900998225 is a deficient number, since it is larger than the sum of its proper divisors (240012079).

900998225 is a wasteful number, since it uses less digits than its factorization.

900998225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766864 (or 766859 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 900998225 is about 30016.6324726809. The cubic root of 900998225 is about 965.8462066575.

The spelling of 900998225 in words is "nine hundred million, nine hundred ninety-eight thousand, two hundred twenty-five".