228450658 has 16 divisors (see below), whose sum is σ = 371273760. Its totient is φ = 105005376.

The previous prime is 228450619. The next prime is 228450659. The reversal of 228450658 is 856054822.

It is a self number, because there is not a number n which added to its sum of digits gives 228450658.

It is not an unprimeable number, because it can be changed into a prime (228450659) 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, 76668 + ... + 79591.

It is an arithmetic number, because the mean of its divisors is an integer number (23204610).

Almost surely, 2^228450658 is an apocalyptic number.

228450658 is a deficient number, since it is larger than the sum of its proper divisors (142823102).

228450658 is a wasteful number, since it uses less digits than its factorization.

228450658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156321.

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 228450658 is about 15114.5842814151. The cubic root of 228450658 is about 611.3137126613.

The spelling of 228450658 in words is "two hundred twenty-eight million, four hundred fifty thousand, six hundred fifty-eight".