228874664 has 16 divisors (see below), whose sum is σ = 429517620. Its totient is φ = 114336640.

The previous prime is 228874663. The next prime is 228874673. The reversal of 228874664 is 466478822.

It can be written as a sum of positive squares in 2 ways, for example, as 197177764 + 31696900 = 14042^2 + 5630^2 .

It is a super-2 number, since 2×228874664² = 104767223642225792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228874661) by changing a digit.

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, 2447 + ... + 21534.

Almost surely, 2^228874664 is an apocalyptic number.

It is an amenable number.

228874664 is a deficient number, since it is larger than the sum of its proper divisors (200642956).

228874664 is a wasteful number, since it uses less digits than its factorization.

228874664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25180 (or 25176 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 47.

The square root of 228874664 is about 15128.6041656195. The cubic root of 228874664 is about 611.6916797462.

The spelling of 228874664 in words is "two hundred twenty-eight million, eight hundred seventy-four thousand, six hundred sixty-four".