228963780 has 48 divisors (see below), whose sum is σ = 712333440. Its totient is φ = 61056864.

The previous prime is 228963739. The next prime is 228963793. The reversal of 228963780 is 87369822.

228963780 is a `hidden beast` number, since 2 + 2 + 8 + 9 + 637 + 8 + 0 = 666.

228963780 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211464 + ... + 212543.

It is an arithmetic number, because the mean of its divisors is an integer number (14840280).

Almost surely, 2^228963780 is an apocalyptic number.

228963780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228963780 is an abundant number, since it is smaller than the sum of its proper divisors (483369660).

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

228963780 is a wasteful number, since it uses less digits than its factorization.

228963780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424025 (or 424017 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 228963780 is about 15131.5491606114. The cubic root of 228963780 is about 611.7710600809.

The spelling of 228963780 in words is "two hundred twenty-eight million, nine hundred sixty-three thousand, seven hundred eighty".