225756030 has 32 divisors (see below), whose sum is σ = 544156704. Its totient is φ = 59941376.

The previous prime is 225756029. The next prime is 225756061. The reversal of 225756030 is 30657522.

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

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, 9159 + ... + 23138.

It is an arithmetic number, because the mean of its divisors is an integer number (17004897).

Almost surely, 2^225756030 is an apocalyptic number.

225756030 is an abundant number, since it is smaller than the sum of its proper divisors (318400674).

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

225756030 is a wasteful number, since it uses less digits than its factorization.

225756030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32540.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 225756030 is about 15025.1798658119. The cubic root of 225756030 is about 608.9006716220.

The spelling of 225756030 in words is "two hundred twenty-five million, seven hundred fifty-six thousand, thirty".