228686354 has 8 divisors (see below), whose sum is σ = 369416460. Its totient is φ = 105547536.

The previous prime is 228686347. The next prime is 228686387. The reversal of 228686354 is 453686822.

It can be written as a sum of positive squares in 2 ways, for example, as 221206129 + 7480225 = 14873^2 + 2735^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4397789 + ... + 4397840.

Almost surely, 2^228686354 is an apocalyptic number.

228686354 is a deficient number, since it is larger than the sum of its proper divisors (140730106).

228686354 is a wasteful number, since it uses less digits than its factorization.

228686354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8795644.

The product of its digits is 552960, while the sum is 44.

The square root of 228686354 is about 15122.3792440211. The cubic root of 228686354 is about 611.5238742708.

The spelling of 228686354 in words is "two hundred twenty-eight million, six hundred eighty-six thousand, three hundred fifty-four".