228020376 has 32 divisors (see below), whose sum is σ = 588441600. Its totient is φ = 73554720.

The previous prime is 228020347. The next prime is 228020383. The reversal of 228020376 is 673020822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152496 + ... + 153983.

It is an arithmetic number, because the mean of its divisors is an integer number (18388800).

Almost surely, 2^228020376 is an apocalyptic number.

It is an amenable number.

228020376 is an abundant number, since it is smaller than the sum of its proper divisors (360421224).

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

228020376 is a wasteful number, since it uses less digits than its factorization.

228020376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306519 (or 306515 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 228020376 is about 15100.3435722503. The cubic root of 228020376 is about 610.9296726181.

The spelling of 228020376 in words is "two hundred twenty-eight million, twenty thousand, three hundred seventy-six".