228620914 has 8 divisors (see below), whose sum is σ = 343040688. Its totient is φ = 114274020.

The previous prime is 228620911. The next prime is 228620957. The reversal of 228620914 is 419026822.

228620914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 228620914.

It is not an unprimeable number, because it can be changed into a prime (228620911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9552 + ... + 23419.

It is an arithmetic number, because the mean of its divisors is an integer number (42880086).

Almost surely, 2^228620914 is an apocalyptic number.

228620914 is a deficient number, since it is larger than the sum of its proper divisors (114419774).

228620914 is a wasteful number, since it uses less digits than its factorization.

228620914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36440.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 228620914 is about 15120.2154085185. The cubic root of 228620914 is about 611.4655382727.

The spelling of 228620914 in words is "two hundred twenty-eight million, six hundred twenty thousand, nine hundred fourteen".