225043030 has 32 divisors (see below), whose sum is σ = 433409760. Its totient is φ = 83877120.

The previous prime is 225042989. The next prime is 225043031. The reversal of 225043030 is 30340522.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 225042989 and 225043007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225043031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1882 + ... + 21298.

It is an arithmetic number, because the mean of its divisors is an integer number (13544055).

Almost surely, 2^225043030 is an apocalyptic number.

225043030 is a deficient number, since it is larger than the sum of its proper divisors (208366730).

225043030 is a wasteful number, since it uses less digits than its factorization.

225043030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19504.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 225043030 is about 15001.4342647628. The cubic root of 225043030 is about 608.2589699973.

Adding to 225043030 its reverse (30340522), we get a palindrome (255383552).

The spelling of 225043030 in words is "two hundred twenty-five million, forty-three thousand, thirty".