225342406 has 4 divisors (see below), whose sum is σ = 338013612. Its totient is φ = 112671202.

The previous prime is 225342389. The next prime is 225342407. The reversal of 225342406 is 604243522.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225342407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56335600 + ... + 56335603.

It is an arithmetic number, because the mean of its divisors is an integer number (84503403).

Almost surely, 2^225342406 is an apocalyptic number.

225342406 is a deficient number, since it is larger than the sum of its proper divisors (112671206).

225342406 is a wasteful number, since it uses less digits than its factorization.

225342406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112671205.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 225342406 is about 15011.4091943428. The cubic root of 225342406 is about 608.5285739160.

Adding to 225342406 its reverse (604243522), we get a palindrome (829585928).

The spelling of 225342406 in words is "two hundred twenty-five million, three hundred forty-two thousand, four hundred six".