228844695447 has 16 divisors (see below), whose sum is σ = 339500736000. Its totient is φ = 152350929432.

The previous prime is 228844695437. The next prime is 228844695461. The reversal of 228844695447 is 744596448822.

It is a happy number.

228844695447 is a `hidden beast` number, since 2 + 2 + 8 + 84 + 4 + 6 + 9 + 544 + 7 = 666.

It is not a de Polignac number, because 228844695447 - 2⁶ = 228844695383 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228844695437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5874697 + ... + 5913522.

It is an arithmetic number, because the mean of its divisors is an integer number (21218796000).

Almost surely, 2^228844695447 is an apocalyptic number.

228844695447 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

228844695447 is a deficient number, since it is larger than the sum of its proper divisors (110656040553).

228844695447 is a wasteful number, since it uses less digits than its factorization.

228844695447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11788947 (or 11788941 counting only the distinct ones).

The product of its digits is 123863040, while the sum is 63.

The spelling of 228844695447 in words is "two hundred twenty-eight billion, eight hundred forty-four million, six hundred ninety-five thousand, four hundred forty-seven".