225440850 has 24 divisors (see below), whose sum is σ = 559093680. Its totient is φ = 60117520.

The previous prime is 225440849. The next prime is 225440851. The reversal of 225440850 is 58044522.

It is an interprime number because it is at equal distance from previous prime (225440849) and next prime (225440851).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (225440851) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 751320 + ... + 751619.

It is an arithmetic number, because the mean of its divisors is an integer number (23295570).

Almost surely, 2^225440850 is an apocalyptic number.

225440850 is an abundant number, since it is smaller than the sum of its proper divisors (333652830).

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

225440850 is a wasteful number, since it uses less digits than its factorization.

225440850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502954 (or 1502949 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 225440850 is about 15014.6878089423. The cubic root of 225440850 is about 608.6171757709.

The spelling of 225440850 in words is "two hundred twenty-five million, four hundred forty thousand, eight hundred fifty".