4228394238 has 40 divisors (see below), whose sum is σ = 9492255432. Its totient is φ = 1406858544.

The previous prime is 4228394237. The next prime is 4228394239. The reversal of 4228394238 is 8324938224.

4228394238 is a `hidden beast` number, since 4 + 2 + 28 + 394 + 238 = 666.

It is an interprime number because it is at equal distance from previous prime (4228394237) and next prime (4228394239).

It is a junction number, because it is equal to n+sod(n) for n = 4228394193 and 4228394202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4228394237) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 64756 + ... + 112472.

Almost surely, 2^4228394238 is an apocalyptic number.

4228394238 is an abundant number, since it is smaller than the sum of its proper divisors (5263861194).

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

4228394238 is a wasteful number, since it uses less digits than its factorization.

4228394238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48278 (or 48269 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 4228394238 is about 65026.1042812808. The cubic root of 4228394238 is about 1617.0563622913.

The spelling of 4228394238 in words is "four billion, two hundred twenty-eight million, three hundred ninety-four thousand, two hundred thirty-eight".