228411909856 has 48 divisors (see below), whose sum is σ = 490911173424. Its totient is φ = 103976745984.

The previous prime is 228411909841. The next prime is 228411909871. The reversal of 228411909856 is 658909114822.

It is an interprime number because it is at equal distance from previous prime (228411909841) and next prime (228411909871).

It is a junction number, because it is equal to n+sod(n) for n = 228411909797 and 228411909806.

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, 3730366 + ... + 3791101.

It is an arithmetic number, because the mean of its divisors is an integer number (10227316113).

Almost surely, 2^228411909856 is an apocalyptic number.

228411909856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

228411909856 is an abundant number, since it is smaller than the sum of its proper divisors (262499263568).

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

228411909856 is a wasteful number, since it uses less digits than its factorization.

228411909856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7521563 (or 7521555 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 228411909856 in words is "two hundred twenty-eight billion, four hundred eleven million, nine hundred nine thousand, eight hundred fifty-six".