225348077 has 4 divisors (see below), whose sum is σ = 226593276. Its totient is φ = 224102880.

The previous prime is 225348061. The next prime is 225348133. The reversal of 225348077 is 770843522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2920681 + 222427396 = 1709^2 + 14914^2 .

It is a cyclic number.

It is not a de Polignac number, because 225348077 - 2⁴ = 225348061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225348077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225348377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622328 + ... + 622689.

It is an arithmetic number, because the mean of its divisors is an integer number (56648319).

Almost surely, 2^225348077 is an apocalyptic number.

It is an amenable number.

225348077 is a deficient number, since it is larger than the sum of its proper divisors (1245199).

225348077 is a wasteful number, since it uses less digits than its factorization.

225348077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245198.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 225348077 is about 15011.5980828158. The cubic root of 225348077 is about 608.5336786463.

The spelling of 225348077 in words is "two hundred twenty-five million, three hundred forty-eight thousand, seventy-seven".