225994989202 has 24 divisors (see below), whose sum is σ = 351273825468. Its totient is φ = 109042306560.

The previous prime is 225994989191. The next prime is 225994989203. The reversal of 225994989202 is 202989499522.

It can be written as a sum of positive squares in 2 ways, for example, as 217119653521 + 8875335681 = 465961^2 + 94209^2 .

It is not an unprimeable number, because it can be changed into a prime (225994989203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 511918 + ... + 845014.

Almost surely, 2^225994989202 is an apocalyptic number.

225994989202 is a deficient number, since it is larger than the sum of its proper divisors (125278836266).

225994989202 is a wasteful number, since it uses less digits than its factorization.

225994989202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333514 (or 333483 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 225994989202 in words is "two hundred twenty-five billion, nine hundred ninety-four million, nine hundred eighty-nine thousand, two hundred two".