225756434 has 4 divisors (see below), whose sum is σ = 338634654. Its totient is φ = 112878216.

The previous prime is 225756403. The next prime is 225756437. The reversal of 225756434 is 434657522.

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., 187279225 + 38477209 = 13685^2 + 6203^2 .

It is not an unprimeable number, because it can be changed into a prime (225756437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56439107 + ... + 56439110.

Almost surely, 2^225756434 is an apocalyptic number.

225756434 is a deficient number, since it is larger than the sum of its proper divisors (112878220).

225756434 is a wasteful number, since it uses less digits than its factorization.

225756434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112878219.

The product of its digits is 201600, while the sum is 38.

The square root of 225756434 is about 15025.1933099045. The cubic root of 225756434 is about 608.9010348397.

The spelling of 225756434 in words is "two hundred twenty-five million, seven hundred fifty-six thousand, four hundred thirty-four".