228806845780 has 24 divisors (see below), whose sum is σ = 480531367008. Its totient is φ = 91515692448.

The previous prime is 228806845763. The next prime is 228806845807. The reversal of 228806845780 is 87548608822.

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, 170034 + ... + 697513.

It is an arithmetic number, because the mean of its divisors is an integer number (20022140292).

Almost surely, 2^228806845780 is an apocalyptic number.

228806845780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228806845780 is an abundant number, since it is smaller than the sum of its proper divisors (251724521228).

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

228806845780 is a wasteful number, since it uses less digits than its factorization.

228806845780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880743 (or 880741 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 58.

The spelling of 228806845780 in words is "two hundred twenty-eight billion, eight hundred six million, eight hundred forty-five thousand, seven hundred eighty".