228136416 has 24 divisors (see below), whose sum is σ = 598858344. Its totient is φ = 76045440.

The previous prime is 228136411. The next prime is 228136427. The reversal of 228136416 is 614631822.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228136411) 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, 1188115 + ... + 1188306.

It is an arithmetic number, because the mean of its divisors is an integer number (24952431).

Almost surely, 2^228136416 is an apocalyptic number.

It is an amenable number.

228136416 is an abundant number, since it is smaller than the sum of its proper divisors (370721928).

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

228136416 is a wasteful number, since it uses less digits than its factorization.

228136416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376434 (or 2376426 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 228136416 is about 15104.1853802183. The cubic root of 228136416 is about 611.0332894646.

The spelling of 228136416 in words is "two hundred twenty-eight million, one hundred thirty-six thousand, four hundred sixteen".