225620230 has 48 divisors (see below), whose sum is σ = 449114400. Its totient is φ = 81544320.

The previous prime is 225620221. The next prime is 225620249. The reversal of 225620230 is 32026522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 240322 + ... + 241258.

It is an arithmetic number, because the mean of its divisors is an integer number (9356550).

Almost surely, 2^225620230 is an apocalyptic number.

225620230 is a deficient number, since it is larger than the sum of its proper divisors (223494170).

225620230 is a wasteful number, since it uses less digits than its factorization.

225620230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 225620230 is about 15020.6601053349. The cubic root of 225620230 is about 608.7785555826.

Adding to 225620230 its reverse (32026522), we get a palindrome (257646752).

The spelling of 225620230 in words is "two hundred twenty-five million, six hundred twenty thousand, two hundred thirty".