225725002 has 4 divisors (see below), whose sum is σ = 338587506. Its totient is φ = 112862500.

The previous prime is 225724999. The next prime is 225725021. The reversal of 225725002 is 200527522.

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., 139216401 + 86508601 = 11799^2 + 9301^2 .

It is an unprimeable number.

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, 56431249 + ... + 56431252.

Almost surely, 2^225725002 is an apocalyptic number.

225725002 is a deficient number, since it is larger than the sum of its proper divisors (112862504).

225725002 is a wasteful number, since it uses less digits than its factorization.

225725002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112862503.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 225725002 is about 15024.1472969350. The cubic root of 225725002 is about 608.8727744925.

The spelling of 225725002 in words is "two hundred twenty-five million, seven hundred twenty-five thousand, two".