228618654 has 16 divisors (see below), whose sum is σ = 498804480. Its totient is φ = 69278360.

The previous prime is 228618647. The next prime is 228618713. The reversal of 228618654 is 456816822.

228618654 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1731894 + ... + 1732025.

It is an arithmetic number, because the mean of its divisors is an integer number (31175280).

Almost surely, 2^228618654 is an apocalyptic number.

228618654 is an abundant number, since it is smaller than the sum of its proper divisors (270185826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228618654 is a wasteful number, since it uses less digits than its factorization.

228618654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463935.

The product of its digits is 184320, while the sum is 42.

The square root of 228618654 is about 15120.1406739488. The cubic root of 228618654 is about 611.4635234138.

The spelling of 228618654 in words is "two hundred twenty-eight million, six hundred eighteen thousand, six hundred fifty-four".