225668741902 has 4 divisors (see below), whose sum is σ = 338503112856. Its totient is φ = 112834370950.

The previous prime is 225668741899. The next prime is 225668741927. The reversal of 225668741902 is 209147866522.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 225668741902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56417185474 + ... + 56417185477.

It is an arithmetic number, because the mean of its divisors is an integer number (84625778214).

Almost surely, 2^225668741902 is an apocalyptic number.

225668741902 is a deficient number, since it is larger than the sum of its proper divisors (112834370954).

225668741902 is a wasteful number, since it uses less digits than its factorization.

225668741902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112834370953.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 225668741902 in words is "two hundred twenty-five billion, six hundred sixty-eight million, seven hundred forty-one thousand, nine hundred two".