228318810 has 16 divisors (see below), whose sum is σ = 547965216. Its totient is φ = 60885008.

The previous prime is 228318803. The next prime is 228318817. The reversal of 228318810 is 18813822.

It is an interprime number because it is at equal distance from previous prime (228318803) and next prime (228318817).

It is a super-2 number, since 2×228318810² = 104258957999632200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228318817) 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, 3805284 + ... + 3805343.

It is an arithmetic number, because the mean of its divisors is an integer number (34247826).

Almost surely, 2^228318810 is an apocalyptic number.

228318810 is an abundant number, since it is smaller than the sum of its proper divisors (319646406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228318810 is a wasteful number, since it uses less digits than its factorization.

228318810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7610637.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 228318810 is about 15110.2220367538. Note that the first 3 decimals coincide. The cubic root of 228318810 is about 611.1960855086.

The spelling of 228318810 in words is "two hundred twenty-eight million, three hundred eighteen thousand, eight hundred ten".