228044642 has 16 divisors (see below), whose sum is σ = 391598592. Its totient is φ = 97567200.

The previous prime is 228044623. The next prime is 228044659. The reversal of 228044642 is 246440822.

It is a junction number, because it is equal to n+sod(n) for n = 228044599 and 228044608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5138 + ... + 21965.

It is an arithmetic number, because the mean of its divisors is an integer number (24474912).

Almost surely, 2^228044642 is an apocalyptic number.

228044642 is a deficient number, since it is larger than the sum of its proper divisors (163553950).

228044642 is a wasteful number, since it uses less digits than its factorization.

228044642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27713.

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 228044642 is about 15101.1470425263. The cubic root of 228044642 is about 610.9513436253.

The spelling of 228044642 in words is "two hundred twenty-eight million, forty-four thousand, six hundred forty-two".