225666422 has 8 divisors (see below), whose sum is σ = 349419072. Its totient is φ = 109193400.

The previous prime is 225666407. The next prime is 225666437. The reversal of 225666422 is 224666522.

225666422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225666407) and next prime (225666437).

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1819829 + ... + 1819952.

It is an arithmetic number, because the mean of its divisors is an integer number (43677384).

Almost surely, 2^225666422 is an apocalyptic number.

225666422 is a deficient number, since it is larger than the sum of its proper divisors (123752650).

225666422 is a wasteful number, since it uses less digits than its factorization.

225666422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639814.

The product of its digits is 69120, while the sum is 35.

The square root of 225666422 is about 15022.1976421561. The cubic root of 225666422 is about 608.8200985184.

The spelling of 225666422 in words is "two hundred twenty-five million, six hundred sixty-six thousand, four hundred twenty-two".