225131722202 has 8 divisors (see below), whose sum is σ = 340356619776. Its totient is φ = 111679515612.

The previous prime is 225131722163. The next prime is 225131722237. The reversal of 225131722202 is 202227131522.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443172428 + ... + 443172935.

It is an arithmetic number, because the mean of its divisors is an integer number (42544577472).

Almost surely, 2^225131722202 is an apocalyptic number.

225131722202 is a deficient number, since it is larger than the sum of its proper divisors (115224897574).

225131722202 is a wasteful number, since it uses less digits than its factorization.

225131722202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886345492.

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 225131722202 its reverse (202227131522), we get a palindrome (427358853724).

The spelling of 225131722202 in words is "two hundred twenty-five billion, one hundred thirty-one million, seven hundred twenty-two thousand, two hundred two".