225896847 has 32 divisors (see below), whose sum is σ = 335978496. Its totient is φ = 133852800.

The previous prime is 225896843. The next prime is 225896849. The reversal of 225896847 is 748698522.

It is not a de Polignac number, because 225896847 - 2² = 225896843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225896847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225896843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 589618 + ... + 590000.

It is an arithmetic number, because the mean of its divisors is an integer number (10499328).

Almost surely, 2^225896847 is an apocalyptic number.

225896847 is a deficient number, since it is larger than the sum of its proper divisors (110081649).

225896847 is a wasteful number, since it uses less digits than its factorization.

225896847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751.

The product of its digits is 1935360, while the sum is 51.

The square root of 225896847 is about 15029.8651690559. The cubic root of 225896847 is about 609.0272474132.

The spelling of 225896847 in words is "two hundred twenty-five million, eight hundred ninety-six thousand, eight hundred forty-seven".