225929782 has 16 divisors (see below), whose sum is σ = 380832480. Its totient is φ = 99741312.

The previous prime is 225929777. The next prime is 225929789. The reversal of 225929782 is 287929522.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225929789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188307 + ... + 189502.

It is an arithmetic number, because the mean of its divisors is an integer number (23802030).

Almost surely, 2^225929782 is an apocalyptic number.

225929782 is a deficient number, since it is larger than the sum of its proper divisors (154902698).

225929782 is a wasteful number, since it uses less digits than its factorization.

225929782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377847.

The product of its digits is 362880, while the sum is 46.

The square root of 225929782 is about 15030.9607810013. The cubic root of 225929782 is about 609.0568440159.

It can be divided in two parts, 2259 and 29782, that added together give a square (32041 = 179²).

The spelling of 225929782 in words is "two hundred twenty-five million, nine hundred twenty-nine thousand, seven hundred eighty-two".