228944936 has 64 divisors (see below), whose sum is σ = 479839680. Its totient is φ = 101537280.

The previous prime is 228944873. The next prime is 228944941. The reversal of 228944936 is 639449822.

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 15 ways as a sum of consecutive naturals, for example, 1008455 + ... + 1008681.

It is an arithmetic number, because the mean of its divisors is an integer number (7497495).

Almost surely, 2^228944936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228944936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239919840).

228944936 is an abundant number, since it is smaller than the sum of its proper divisors (250894744).

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

228944936 is a wasteful number, since it uses less digits than its factorization.

228944936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 470 counting only the distinct ones).

The product of its digits is 746496, while the sum is 47.

The square root of 228944936 is about 15130.9264752691. The cubic root of 228944936 is about 611.7542764509.

The spelling of 228944936 in words is "two hundred twenty-eight million, nine hundred forty-four thousand, nine hundred thirty-six".