225491673 has 8 divisors (see below), whose sum is σ = 327987936. Its totient is φ = 136661600.

The previous prime is 225491657. The next prime is 225491681. The reversal of 225491673 is 376194522.

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 225491673 - 2⁴ = 225491657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225491603) 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, 3416508 + ... + 3416573.

It is an arithmetic number, because the mean of its divisors is an integer number (40998492).

Almost surely, 2^225491673 is an apocalyptic number.

It is an amenable number.

225491673 is a deficient number, since it is larger than the sum of its proper divisors (102496263).

225491673 is a wasteful number, since it uses less digits than its factorization.

225491673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6833095.

The product of its digits is 90720, while the sum is 39.

The square root of 225491673 is about 15016.3801563493. The cubic root of 225491673 is about 608.6629075399.

The spelling of 225491673 in words is "two hundred twenty-five million, four hundred ninety-one thousand, six hundred seventy-three".