225378734 has 12 divisors (see below), whose sum is σ = 393263064. Its totient is φ = 96590844.

The previous prime is 225378733. The next prime is 225378757. The reversal of 225378734 is 437873522.

It is a junction number, because it is equal to n+sod(n) for n = 225378691 and 225378700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225378731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1149794 + ... + 1149989.

It is an arithmetic number, because the mean of its divisors is an integer number (32771922).

Almost surely, 2^225378734 is an apocalyptic number.

225378734 is a deficient number, since it is larger than the sum of its proper divisors (167884330).

225378734 is a wasteful number, since it uses less digits than its factorization.

225378734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299799 (or 2299792 counting only the distinct ones).

The product of its digits is 282240, while the sum is 41.

The square root of 225378734 is about 15012.6191585612. The cubic root of 225378734 is about 608.5612729518.

The spelling of 225378734 in words is "two hundred twenty-five million, three hundred seventy-eight thousand, seven hundred thirty-four".