225154002 has 16 divisors (see below), whose sum is σ = 450455040. Its totient is φ = 75026832.

The previous prime is 225153979. The next prime is 225154003. The reversal of 225154002 is 200451522.

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 225154002.

It is not an unprimeable number, because it can be changed into a prime (225154003) 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, 33388 + ... + 39560.

It is an arithmetic number, because the mean of its divisors is an integer number (28153440).

Almost surely, 2^225154002 is an apocalyptic number.

225154002 is an abundant number, since it is smaller than the sum of its proper divisors (225301038).

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

225154002 is a wasteful number, since it uses less digits than its factorization.

225154002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12257.

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

The square root of 225154002 is about 15005.1325219073. The cubic root of 225154002 is about 608.3589340241.

The spelling of 225154002 in words is "two hundred twenty-five million, one hundred fifty-four thousand, two".