225541002 has 16 divisors (see below), whose sum is σ = 454111200. Its totient is φ = 74675472.

The previous prime is 225540941. The next prime is 225541009. The reversal of 225541002 is 200145522.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 225541002.

It is not an unprimeable number, because it can be changed into a prime (225541009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125248 + ... + 127035.

It is an arithmetic number, because the mean of its divisors is an integer number (28381950).

Almost surely, 2^225541002 is an apocalyptic number.

225541002 is an abundant number, since it is smaller than the sum of its proper divisors (228570198).

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

225541002 is a wasteful number, since it uses less digits than its factorization.

225541002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252437.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 225541002 is about 15018.0225728955. The cubic root of 225541002 is about 608.7072884003.

Adding to 225541002 its reverse (200145522), we get a palindrome (425686524).

The spelling of 225541002 in words is "two hundred twenty-five million, five hundred forty-one thousand, two".