226042644 has 12 divisors (see below), whose sum is σ = 527432864. Its totient is φ = 75347544.

The previous prime is 226042633. The next prime is 226042651. The reversal of 226042644 is 446240622.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9418432 + ... + 9418455.

Almost surely, 2^226042644 is an apocalyptic number.

It is an amenable number.

226042644 is an abundant number, since it is smaller than the sum of its proper divisors (301390220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226042644 is a wasteful number, since it uses less digits than its factorization.

226042644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18836894 (or 18836892 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 226042644 is about 15034.7146298159. The cubic root of 226042644 is about 609.1582441500.

The spelling of 226042644 in words is "two hundred twenty-six million, forty-two thousand, six hundred forty-four".