225622847 has 8 divisors (see below), whose sum is σ = 235923840. Its totient is φ = 215362840.

The previous prime is 225622843. The next prime is 225622879. The reversal of 225622847 is 748226522.

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 225622847 - 2² = 225622843 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 225622847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225622843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304 + ... + 21282.

It is an arithmetic number, because the mean of its divisors is an integer number (29490480).

Almost surely, 2^225622847 is an apocalyptic number.

225622847 is a deficient number, since it is larger than the sum of its proper divisors (10300993).

225622847 is a wasteful number, since it uses less digits than its factorization.

225622847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20493.

The product of its digits is 107520, while the sum is 38.

The square root of 225622847 is about 15020.7472184309. The cubic root of 225622847 is about 608.7809093422.

The spelling of 225622847 in words is "two hundred twenty-five million, six hundred twenty-two thousand, eight hundred forty-seven".