228277235 has 16 divisors (see below), whose sum is σ = 281959392. Its totient is φ = 177292800.

The previous prime is 228277219. The next prime is 228277237. The reversal of 228277235 is 532772822.

It is not a de Polignac number, because 228277235 - 2⁴ = 228277219 is a prime.

It is a super-2 number, since 2×228277235² = 104220992038490450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228277237) 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 15 ways as a sum of consecutive naturals, for example, 104555 + ... + 106715.

It is an arithmetic number, because the mean of its divisors is an integer number (17622462).

Almost surely, 2^228277235 is an apocalyptic number.

228277235 is a deficient number, since it is larger than the sum of its proper divisors (53682157).

228277235 is a wasteful number, since it uses less digits than its factorization.

228277235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774.

The product of its digits is 94080, while the sum is 38.

The square root of 228277235 is about 15108.8462497968. The cubic root of 228277235 is about 611.1589853098.

The spelling of 228277235 in words is "two hundred twenty-eight million, two hundred seventy-seven thousand, two hundred thirty-five".