225400932170 has 8 divisors (see below), whose sum is σ = 405721677924. Its totient is φ = 90160372864.

The previous prime is 225400932161. The next prime is 225400932179. The reversal of 225400932170 is 71239004522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (225400932161) and next prime (225400932179).

It can be written as a sum of positive squares in 2 ways, for example, as 222934121281 + 2466810889 = 472159^2 + 49667^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 225400932170.

It is not an unprimeable number, because it can be changed into a prime (225400932179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11270046599 + ... + 11270046618.

Almost surely, 2^225400932170 is an apocalyptic number.

225400932170 is a deficient number, since it is larger than the sum of its proper divisors (180320745754).

225400932170 is a wasteful number, since it uses less digits than its factorization.

225400932170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22540093224.

The product of its (nonzero) digits is 30240, while the sum is 35.

Adding to 225400932170 its reverse (71239004522), we get a palindrome (296639936692).

The spelling of 225400932170 in words is "two hundred twenty-five billion, four hundred million, nine hundred thirty-two thousand, one hundred seventy".