228074320 has 20 divisors (see below), whose sum is σ = 530272980. Its totient is φ = 91229696.

The previous prime is 228074311. The next prime is 228074339. The reversal of 228074320 is 23470822.

It can be written as a sum of positive squares in 2 ways, for example, as 95179536 + 132894784 = 9756^2 + 11528^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425385 + ... + 1425544.

It is an arithmetic number, because the mean of its divisors is an integer number (26513649).

Almost surely, 2^228074320 is an apocalyptic number.

228074320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228074320 is an abundant number, since it is smaller than the sum of its proper divisors (302198660).

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

228074320 is a wasteful number, since it uses less digits than its factorization.

228074320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850942 (or 2850936 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 228074320 is about 15102.1296511452. The cubic root of 228074320 is about 610.9778457863.

The spelling of 228074320 in words is "two hundred twenty-eight million, seventy-four thousand, three hundred twenty".