228308351 has 8 divisors (see below), whose sum is σ = 254461680. Its totient is φ = 203568768.

The previous prime is 228308321. The next prime is 228308357. The reversal of 228308351 is 153803822.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228308351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228308357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353096 + ... + 353741.

It is an arithmetic number, because the mean of its divisors is an integer number (31807710).

Almost surely, 2^228308351 is an apocalyptic number.

228308351 is a deficient number, since it is larger than the sum of its proper divisors (26153329).

228308351 is a wasteful number, since it uses less digits than its factorization.

228308351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706873.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 228308351 is about 15109.8759425748. The cubic root of 228308351 is about 611.1867526559.

The spelling of 228308351 in words is "two hundred twenty-eight million, three hundred eight thousand, three hundred fifty-one".