225047902 has 4 divisors (see below), whose sum is σ = 337571856. Its totient is φ = 112523950.

The previous prime is 225047873. The next prime is 225047909. The reversal of 225047902 is 209740522.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225047909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56261974 + ... + 56261977.

It is an arithmetic number, because the mean of its divisors is an integer number (84392964).

Almost surely, 2^225047902 is an apocalyptic number.

225047902 is a deficient number, since it is larger than the sum of its proper divisors (112523954).

225047902 is a wasteful number, since it uses less digits than its factorization.

225047902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112523953.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 225047902 is about 15001.5966483571. The cubic root of 225047902 is about 608.2633594042.

The spelling of 225047902 in words is "two hundred twenty-five million, forty-seven thousand, nine hundred two".