228281464 has 16 divisors (see below), whose sum is σ = 429408720. Its totient is φ = 113772480.

The previous prime is 228281461. The next prime is 228281467. The reversal of 228281464 is 464182822.

It is an interprime number because it is at equal distance from previous prime (228281461) and next prime (228281467).

It is a super-2 number, since 2×228281464² = 104224853611966592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228281461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43389 + ... + 48364.

It is an arithmetic number, because the mean of its divisors is an integer number (26838045).

Almost surely, 2^228281464 is an apocalyptic number.

It is an amenable number.

228281464 is a deficient number, since it is larger than the sum of its proper divisors (201127256).

228281464 is a wasteful number, since it uses less digits than its factorization.

228281464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92070 (or 92066 counting only the distinct ones).

The product of its digits is 49152, while the sum is 37.

The square root of 228281464 is about 15108.9862002717. The cubic root of 228281464 is about 611.1627593397.

The spelling of 228281464 in words is "two hundred twenty-eight million, two hundred eighty-one thousand, four hundred sixty-four".