228397612 has 12 divisors (see below), whose sum is σ = 400279096. Its totient is φ = 114032160.

The previous prime is 228397607. The next prime is 228397621. The reversal of 228397612 is 216793822.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 38553 + ... + 44080.

Almost surely, 2^228397612 is an apocalyptic number.

It is an amenable number.

228397612 is a deficient number, since it is larger than the sum of its proper divisors (171881484).

228397612 is a wasteful number, since it uses less digits than its factorization.

228397612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83328 (or 83326 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 228397612 is about 15112.8293843344. The cubic root of 228397612 is about 611.2663935338.

The spelling of 228397612 in words is "two hundred twenty-eight million, three hundred ninety-seven thousand, six hundred twelve".