225471002 has 4 divisors (see below), whose sum is σ = 338206506. Its totient is φ = 112735500.

The previous prime is 225470953. The next prime is 225471061. The reversal of 225471002 is 200174522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200174522 = 2 ⋅100087261.

It can be written as a sum of positive squares in only one way, i.e., 192626641 + 32844361 = 13879^2 + 5731^2 .

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, 56367749 + ... + 56367752.

Almost surely, 2^225471002 is an apocalyptic number.

225471002 is a deficient number, since it is larger than the sum of its proper divisors (112735504).

225471002 is a wasteful number, since it uses less digits than its factorization.

225471002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112735503.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 225471002 is about 15015.6918588522. The cubic root of 225471002 is about 608.6443081015.

The spelling of 225471002 in words is "two hundred twenty-five million, four hundred seventy-one thousand, two".