228738351 has 16 divisors (see below), whose sum is σ = 309082464. Its totient is φ = 150457344.

The previous prime is 228738347. The next prime is 228738373. The reversal of 228738351 is 153837822.

228738351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228738351 - 2² = 228738347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228728351) 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, 69495 + ... + 72711.

It is an arithmetic number, because the mean of its divisors is an integer number (19317654).

Almost surely, 2^228738351 is an apocalyptic number.

228738351 is a deficient number, since it is larger than the sum of its proper divisors (80344113).

228738351 is a wasteful number, since it uses less digits than its factorization.

228738351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530.

The product of its digits is 80640, while the sum is 39.

The square root of 228738351 is about 15124.0983532904. The cubic root of 228738351 is about 611.5702186732.

The spelling of 228738351 in words is "two hundred twenty-eight million, seven hundred thirty-eight thousand, three hundred fifty-one".