228308630 has 32 divisors (see below), whose sum is σ = 456785568. Its totient is φ = 81452800.

The previous prime is 228308627. The next prime is 228308651. The reversal of 228308630 is 36803822.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 13751 + ... + 25410.

It is an arithmetic number, because the mean of its divisors is an integer number (14274549).

Almost surely, 2^228308630 is an apocalyptic number.

228308630 is an abundant number, since it is smaller than the sum of its proper divisors (228476938).

228308630 is a wasteful number, since it uses less digits than its factorization.

228308630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39232.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 228308630 is about 15109.8851749442. The cubic root of 228308630 is about 611.1870016190.

The spelling of 228308630 in words is "two hundred twenty-eight million, three hundred eight thousand, six hundred thirty".