225471802 has 4 divisors (see below), whose sum is σ = 338207706. Its totient is φ = 112735900.

The previous prime is 225471769. The next prime is 225471811. The reversal of 225471802 is 208174522.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 145709041 + 79762761 = 12071^2 + 8931^2 .

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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56367949 + ... + 56367952.

Almost surely, 2^225471802 is an apocalyptic number.

225471802 is a deficient number, since it is larger than the sum of its proper divisors (112735904).

225471802 is a wasteful number, since it uses less digits than its factorization.

225471802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112735903.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 225471802 is about 15015.7184976277. The cubic root of 225471802 is about 608.6450279499.

The spelling of 225471802 in words is "two hundred twenty-five million, four hundred seventy-one thousand, eight hundred two".