225274777 has 8 divisors (see below), whose sum is σ = 277261376. Its totient is φ = 178239312.

The previous prime is 225274771. The next prime is 225274781. The reversal of 225274777 is 777472522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225274777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225274771) 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 7 ways as a sum of consecutive naturals, for example, 1237683 + ... + 1237864.

It is an arithmetic number, because the mean of its divisors is an integer number (34657672).

Almost surely, 2^225274777 is an apocalyptic number.

It is an amenable number.

225274777 is a deficient number, since it is larger than the sum of its proper divisors (51986599).

225274777 is a wasteful number, since it uses less digits than its factorization.

225274777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475567.

The product of its digits is 384160, while the sum is 43.

The square root of 225274777 is about 15009.1564386544. The cubic root of 225274777 is about 608.4676913132.

The spelling of 225274777 in words is "two hundred twenty-five million, two hundred seventy-four thousand, seven hundred seventy-seven".