225158438 has 8 divisors (see below), whose sum is σ = 357604632. Its totient is φ = 105956896.

The previous prime is 225158411. The next prime is 225158441. The reversal of 225158438 is 834851522.

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

It is a Curzon number.

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, 3311120 + ... + 3311187.

It is an arithmetic number, because the mean of its divisors is an integer number (44700579).

Almost surely, 2^225158438 is an apocalyptic number.

225158438 is a deficient number, since it is larger than the sum of its proper divisors (132446194).

225158438 is a wasteful number, since it uses less digits than its factorization.

225158438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6622326.

The product of its digits is 76800, while the sum is 38.

The square root of 225158438 is about 15005.2803372679. The cubic root of 225158438 is about 608.3629293080.

The spelling of 225158438 in words is "two hundred twenty-five million, one hundred fifty-eight thousand, four hundred thirty-eight".