228538355 has 8 divisors (see below), whose sum is σ = 283092864. Its totient is φ = 176932800.

The previous prime is 228538337. The next prime is 228538367. The reversal of 228538355 is 553835822.

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

It is not a de Polignac number, because 228538355 - 2¹⁴ = 228521971 is a prime.

It is a super-2 number, since 2×228538355² = 104459559412212050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737066 + ... + 737375.

It is an arithmetic number, because the mean of its divisors is an integer number (35386608).

Almost surely, 2^228538355 is an apocalyptic number.

228538355 is a deficient number, since it is larger than the sum of its proper divisors (54554509).

228538355 is a wasteful number, since it uses less digits than its factorization.

228538355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474477.

The product of its digits is 288000, while the sum is 41.

The square root of 228538355 is about 15117.4850752366. The cubic root of 228538355 is about 611.3919257871.

The spelling of 228538355 in words is "two hundred twenty-eight million, five hundred thirty-eight thousand, three hundred fifty-five".