228651958 has 8 divisors (see below), whose sum is σ = 343250352. Its totient is φ = 114235176.

The previous prime is 228651949. The next prime is 228651959. The reversal of 228651958 is 859156822.

228651958 is digitally balanced in base 3, 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (228651959) 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, 42210 + ... + 47317.

It is an arithmetic number, because the mean of its divisors is an integer number (42906294).

Almost surely, 2^228651958 is an apocalyptic number.

228651958 is a deficient number, since it is larger than the sum of its proper divisors (114598394).

228651958 is a wasteful number, since it uses less digits than its factorization.

228651958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90806.

The product of its digits is 345600, while the sum is 46.

The square root of 228651958 is about 15121.2419463482. The cubic root of 228651958 is about 611.4932136018.

The spelling of 228651958 in words is "two hundred twenty-eight million, six hundred fifty-one thousand, nine hundred fifty-eight".