228084402 has 32 divisors (see below), whose sum is σ = 561439872. Its totient is φ = 60153984.

The previous prime is 228084401. The next prime is 228084407. The reversal of 228084402 is 204480822.

It is a self number, because there is not a number n which added to its sum of digits gives 228084402.

It is not an unprimeable number, because it can be changed into a prime (228084401) 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 15 ways as a sum of consecutive naturals, for example, 208323 + ... + 209414.

It is an arithmetic number, because the mean of its divisors is an integer number (17544996).

Almost surely, 2^228084402 is an apocalyptic number.

228084402 is an abundant number, since it is smaller than the sum of its proper divisors (333355470).

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

228084402 is a wasteful number, since it uses less digits than its factorization.

228084402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417762.

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 228084402 is about 15102.4634414389. The cubic root of 228084402 is about 610.9868483896.

The spelling of 228084402 in words is "two hundred twenty-eight million, eighty-four thousand, four hundred two".