228404203590 has 16 divisors (see below), whose sum is σ = 548170088688. Its totient is φ = 60907787616.

The previous prime is 228404203543. The next prime is 228404203637. The reversal of 228404203590 is 95302404822.

228404203590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228404203543) and next prime (228404203637).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3806736697 + ... + 3806736756.

It is an arithmetic number, because the mean of its divisors is an integer number (34260630543).

Almost surely, 2^228404203590 is an apocalyptic number.

228404203590 is an abundant number, since it is smaller than the sum of its proper divisors (319765885098).

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

228404203590 is a wasteful number, since it uses less digits than its factorization.

228404203590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7613473463.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 228404203590 in words is "two hundred twenty-eight billion, four hundred four million, two hundred three thousand, five hundred ninety".