228752797 has 16 divisors (see below), whose sum is σ = 281901312. Its totient is φ = 180760320.

The previous prime is 228752789. The next prime is 228752801. The reversal of 228752797 is 797257822.

It is a happy number.

It is not a de Polignac number, because 228752797 - 2³ = 228752789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228752797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228752707) 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 15 ways as a sum of consecutive naturals, for example, 122928 + ... + 124774.

It is an arithmetic number, because the mean of its divisors is an integer number (17618832).

Almost surely, 2^228752797 is an apocalyptic number.

It is an amenable number.

228752797 is a deficient number, since it is larger than the sum of its proper divisors (53148515).

228752797 is a wasteful number, since it uses less digits than its factorization.

228752797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228.

The product of its digits is 987840, while the sum is 49.

The square root of 228752797 is about 15124.5759279393. The cubic root of 228752797 is about 611.5830930008.

The spelling of 228752797 in words is "two hundred twenty-eight million, seven hundred fifty-two thousand, seven hundred ninety-seven".