228086722 has 32 divisors (see below), whose sum is σ = 388271232. Its totient is φ = 99880704.

The previous prime is 228086717. The next prime is 228086737. The reversal of 228086722 is 227680822.

It is a Harshad number since it is a multiple of its sum of digits (37).

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 15 ways as a sum of consecutive naturals, for example, 24993 + ... + 32875.

It is an arithmetic number, because the mean of its divisors is an integer number (12133476).

Almost surely, 2^228086722 is an apocalyptic number.

228086722 is a deficient number, since it is larger than the sum of its proper divisors (160184510).

228086722 is a wasteful number, since it uses less digits than its factorization.

228086722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7962.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 228086722 is about 15102.5402499050. The cubic root of 228086722 is about 610.9889199688.

The spelling of 228086722 in words is "two hundred twenty-eight million, eighty-six thousand, seven hundred twenty-two".