225717427 has 8 divisors (see below), whose sum is σ = 249650576. Its totient is φ = 202722912.

The previous prime is 225717379. The next prime is 225717451. The reversal of 225717427 is 724717522.

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

It is a cyclic number.

It is not a de Polignac number, because 225717427 - 2¹¹ = 225715379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225717127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234153 + ... + 235114.

It is an arithmetic number, because the mean of its divisors is an integer number (31206322).

Almost surely, 2^225717427 is an apocalyptic number.

225717427 is a deficient number, since it is larger than the sum of its proper divisors (23933149).

225717427 is a wasteful number, since it uses less digits than its factorization.

225717427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469317.

The product of its digits is 54880, while the sum is 37.

The square root of 225717427 is about 15023.8952006462. The cubic root of 225717427 is about 608.8659634572.

The spelling of 225717427 in words is "two hundred twenty-five million, seven hundred seventeen thousand, four hundred twenty-seven".