225292838 has 4 divisors (see below), whose sum is σ = 337939260. Its totient is φ = 112646418.

The previous prime is 225292829. The next prime is 225292919. The reversal of 225292838 is 838292522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 838292522 = 2 ⋅419146261.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 225292795 and 225292804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56323208 + ... + 56323211.

It is an arithmetic number, because the mean of its divisors is an integer number (84484815).

Almost surely, 2^225292838 is an apocalyptic number.

225292838 is a deficient number, since it is larger than the sum of its proper divisors (112646422).

225292838 is a wasteful number, since it uses less digits than its factorization.

225292838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112646421.

The product of its digits is 138240, while the sum is 41.

The square root of 225292838 is about 15009.7580926543. The cubic root of 225292838 is about 608.4839518128.

The spelling of 225292838 in words is "two hundred twenty-five million, two hundred ninety-two thousand, eight hundred thirty-eight".