228077782 has 16 divisors (see below), whose sum is σ = 348289200. Its totient is φ = 111991968.

The previous prime is 228077777. The next prime is 228077783. The reversal of 228077782 is 287770822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228077783) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 44328 + ... + 49204.

It is an arithmetic number, because the mean of its divisors is an integer number (21768075).

Almost surely, 2^228077782 is an apocalyptic number.

228077782 is a deficient number, since it is larger than the sum of its proper divisors (120211418).

228077782 is a wasteful number, since it uses less digits than its factorization.

228077782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295.

The product of its (nonzero) digits is 175616, while the sum is 43.

The square root of 228077782 is about 15102.2442703063. The cubic root of 228077782 is about 610.9809371684.

The spelling of 228077782 in words is "two hundred twenty-eight million, seventy-seven thousand, seven hundred eighty-two".