199228733 has 8 divisors (see below), whose sum is σ = 217531776. Its totient is φ = 180957600.

The previous prime is 199228709. The next prime is 199228739. The reversal of 199228733 is 337822991.

It is a happy number.

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 199228733 - 2¹² = 199224637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199228739) 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, 6185 + ... + 20897.

It is an arithmetic number, because the mean of its divisors is an integer number (27191472).

Almost surely, 2^199228733 is an apocalyptic number.

It is an amenable number.

199228733 is a deficient number, since it is larger than the sum of its proper divisors (18303043).

199228733 is a wasteful number, since it uses less digits than its factorization.

199228733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15955.

The product of its digits is 163296, while the sum is 44.

The square root of 199228733 is about 14114.8408776011. The cubic root of 199228733 is about 584.0508464595.

The spelling of 199228733 in words is "one hundred ninety-nine million, two hundred twenty-eight thousand, seven hundred thirty-three".