228472325738 has 8 divisors (see below), whose sum is σ = 342776894880. Its totient is φ = 114213360780.

The previous prime is 228472325689. The next prime is 228472325789. The reversal of 228472325738 is 837523274822.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 228472325738.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11388518 + ... + 11408561.

It is an arithmetic number, because the mean of its divisors is an integer number (42847111860).

Almost surely, 2^228472325738 is an apocalyptic number.

228472325738 is a deficient number, since it is larger than the sum of its proper divisors (114304569142).

228472325738 is a wasteful number, since it uses less digits than its factorization.

228472325738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22802092.

The product of its digits is 9031680, while the sum is 53.

The spelling of 228472325738 in words is "two hundred twenty-eight billion, four hundred seventy-two million, three hundred twenty-five thousand, seven hundred thirty-eight".