228550071 has 8 divisors (see below), whose sum is σ = 307430640. Its totient is φ = 151018112.

The previous prime is 228550061. The next prime is 228550087. The reversal of 228550071 is 170055822.

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 228550071 - 2²² = 224355767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228550051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336756 + ... + 337433.

It is an arithmetic number, because the mean of its divisors is an integer number (38428830).

Almost surely, 2^228550071 is an apocalyptic number.

228550071 is a deficient number, since it is larger than the sum of its proper divisors (78880569).

228550071 is a wasteful number, since it uses less digits than its factorization.

228550071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674305.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 228550071 is about 15117.8725685858. The cubic root of 228550071 is about 611.4023732609.

The spelling of 228550071 in words is "two hundred twenty-eight million, five hundred fifty thousand, seventy-one".