228997466 has 8 divisors (see below), whose sum is σ = 344354004. Its totient is φ = 114212800.

The previous prime is 228997421. The next prime is 228997493. The reversal of 228997466 is 664799822.

It can be written as a sum of positive squares in 2 ways, for example, as 141967225 + 87030241 = 11915^2 + 9329^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141965 + ... + 143568.

Almost surely, 2^228997466 is an apocalyptic number.

228997466 is a deficient number, since it is larger than the sum of its proper divisors (115356538).

228997466 is a wasteful number, since it uses less digits than its factorization.

228997466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285936.

The product of its digits is 2612736, while the sum is 53.

The square root of 228997466 is about 15132.6622244733. The cubic root of 228997466 is about 611.8010606184.

The spelling of 228997466 in words is "two hundred twenty-eight million, nine hundred ninety-seven thousand, four hundred sixty-six".