228207443 has 8 divisors (see below), whose sum is σ = 230952960. Its totient is φ = 225477000.

The previous prime is 228207433. The next prime is 228207451. The reversal of 228207443 is 344702822.

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

It is a cyclic number.

It is not a de Polignac number, because 228207443 - 2¹² = 228203347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228207433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28298 + ... + 35456.

It is an arithmetic number, because the mean of its divisors is an integer number (28869120).

Almost surely, 2^228207443 is an apocalyptic number.

228207443 is a deficient number, since it is larger than the sum of its proper divisors (2745517).

228207443 is a wasteful number, since it uses less digits than its factorization.

228207443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7537.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 228207443 is about 15106.5364329485. The cubic root of 228207443 is about 611.0966950343.

The spelling of 228207443 in words is "two hundred twenty-eight million, two hundred seven thousand, four hundred forty-three".