228089939 has 8 divisors (see below), whose sum is σ = 284371968. Its totient is φ = 177732360.

The previous prime is 228089933. The next prime is 228089951. The reversal of 228089939 is 939980822.

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 228089939 - 2⁴ = 228089923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228089933) 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, 1481027 + ... + 1481180.

It is an arithmetic number, because the mean of its divisors is an integer number (35546496).

Almost surely, 2^228089939 is an apocalyptic number.

228089939 is a deficient number, since it is larger than the sum of its proper divisors (56282029).

228089939 is a wasteful number, since it uses less digits than its factorization.

228089939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962225.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 228089939 is about 15102.6467547910. The cubic root of 228089939 is about 610.9917924758.

The spelling of 228089939 in words is "two hundred twenty-eight million, eighty-nine thousand, nine hundred thirty-nine".