225021533030 has 32 divisors (see below), whose sum is σ = 477833748480. Its totient is φ = 74661521760.

The previous prime is 225021533027. The next prime is 225021533053. The reversal of 225021533030 is 30335120522.

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 15 ways as a sum of consecutive naturals, for example, 51846110 + ... + 51850449.

It is an arithmetic number, because the mean of its divisors is an integer number (14932304640).

Almost surely, 2^225021533030 is an apocalyptic number.

225021533030 is an abundant number, since it is smaller than the sum of its proper divisors (252812215450).

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

225021533030 is a wasteful number, since it uses less digits than its factorization.

225021533030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103696604.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 225021533030 its reverse (30335120522), we get a palindrome (255356653552).

The spelling of 225021533030 in words is "two hundred twenty-five billion, twenty-one million, five hundred thirty-three thousand, thirty".