228347534 has 4 divisors (see below), whose sum is σ = 342521304. Its totient is φ = 114173766.

The previous prime is 228347513. The next prime is 228347543. The reversal of 228347534 is 435743822.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×228347534³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57086882 + ... + 57086885.

It is an arithmetic number, because the mean of its divisors is an integer number (85630326).

Almost surely, 2^228347534 is an apocalyptic number.

228347534 is a deficient number, since it is larger than the sum of its proper divisors (114173770).

228347534 is a wasteful number, since it uses less digits than its factorization.

228347534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114173769.

The product of its digits is 161280, while the sum is 38.

The square root of 228347534 is about 15111.1724892544. The cubic root of 228347534 is about 611.2217152559.

The spelling of 228347534 in words is "two hundred twenty-eight million, three hundred forty-seven thousand, five hundred thirty-four".