228843747 has 12 divisors (see below), whose sum is σ = 360602424. Its totient is φ = 138693120.

The previous prime is 228843743. The next prime is 228843751. The reversal of 228843747 is 747348822.

It is an interprime number because it is at equal distance from previous prime (228843743) and next prime (228843751).

It is not a de Polignac number, because 228843747 - 2² = 228843743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228843743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1155678 + ... + 1155875.

It is an arithmetic number, because the mean of its divisors is an integer number (30050202).

Almost surely, 2^228843747 is an apocalyptic number.

228843747 is a deficient number, since it is larger than the sum of its proper divisors (131758677).

228843747 is a wasteful number, since it uses less digits than its factorization.

228843747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311570 (or 2311567 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 228843747 is about 15127.5823250115. The cubic root of 228843747 is about 611.6641355248.

The spelling of 228843747 in words is "two hundred twenty-eight million, eight hundred forty-three thousand, seven hundred forty-seven".