228711964 has 24 divisors (see below), whose sum is σ = 440209728. Its totient is φ = 103312320.

The previous prime is 228711961. The next prime is 228711979. The reversal of 228711964 is 469117822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228711961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44347 + ... + 49234.

It is an arithmetic number, because the mean of its divisors is an integer number (18342072).

Almost surely, 2^228711964 is an apocalyptic number.

It is an amenable number.

228711964 is a deficient number, since it is larger than the sum of its proper divisors (211497764).

228711964 is a wasteful number, since it uses less digits than its factorization.

228711964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93645 (or 93643 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 228711964 is about 15123.2259786065. The cubic root of 228711964 is about 611.5467010837.

The spelling of 228711964 in words is "two hundred twenty-eight million, seven hundred eleven thousand, nine hundred sixty-four".