225497438 has 8 divisors (see below), whose sum is σ = 342879888. Its totient is φ = 111204144.

The previous prime is 225497387. The next prime is 225497443. The reversal of 225497438 is 834794522.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772106 + ... + 772397.

It is an arithmetic number, because the mean of its divisors is an integer number (42859986).

Almost surely, 2^225497438 is an apocalyptic number.

225497438 is a deficient number, since it is larger than the sum of its proper divisors (117382450).

225497438 is a wasteful number, since it uses less digits than its factorization.

225497438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544578.

The product of its digits is 483840, while the sum is 44.

The square root of 225497438 is about 15016.5721121699. The cubic root of 225497438 is about 608.6680945928.

The spelling of 225497438 in words is "two hundred twenty-five million, four hundred ninety-seven thousand, four hundred thirty-eight".