226643446 has 8 divisors (see below), whose sum is σ = 345039480. Its totient is φ = 111630288.

The previous prime is 226643407. The next prime is 226643471. The reversal of 226643446 is 644346622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×226643446² = 102734503229509832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845551 + ... + 845818.

It is an arithmetic number, because the mean of its divisors is an integer number (43129935).

Almost surely, 2^226643446 is an apocalyptic number.

226643446 is a deficient number, since it is larger than the sum of its proper divisors (118396034).

226643446 is a wasteful number, since it uses less digits than its factorization.

226643446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691438.

The product of its digits is 165888, while the sum is 37.

The square root of 226643446 is about 15054.6818631282. The cubic root of 226643446 is about 609.6974635231.

The spelling of 226643446 in words is "two hundred twenty-six million, six hundred forty-three thousand, four hundred forty-six".