228723496 has 8 divisors (see below), whose sum is σ = 428856570. Its totient is φ = 114361744.

The previous prime is 228723421. The next prime is 228723497. The reversal of 228723496 is 694327822.

It can be written as a sum of positive squares in only one way, i.e., 146168100 + 82555396 = 12090^2 + 9086^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (228723497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14295211 + ... + 14295226.

Almost surely, 2^228723496 is an apocalyptic number.

It is an amenable number.

228723496 is a deficient number, since it is larger than the sum of its proper divisors (200133074).

228723496 is a wasteful number, since it uses less digits than its factorization.

228723496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28590443 (or 28590439 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 228723496 is about 15123.6072416603. The cubic root of 228723496 is about 611.5569792780.

The spelling of 228723496 in words is "two hundred twenty-eight million, seven hundred twenty-three thousand, four hundred ninety-six".