228061418 has 8 divisors (see below), whose sum is σ = 368406948. Its totient is φ = 105259104.

The previous prime is 228061411. The next prime is 228061439. The reversal of 228061418 is 814160822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 193404649 + 34656769 = 13907^2 + 5887^2 .

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

It is not an unprimeable number, because it can be changed into a prime (228061411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4385771 + ... + 4385822.

Almost surely, 2^228061418 is an apocalyptic number.

228061418 is a deficient number, since it is larger than the sum of its proper divisors (140345530).

228061418 is a wasteful number, since it uses less digits than its factorization.

228061418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8771608.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 228061418 is about 15101.7024868059. The cubic root of 228061418 is about 610.9663247102.

The spelling of 228061418 in words is "two hundred twenty-eight million, sixty-one thousand, four hundred eighteen".