228054737 has 4 divisors (see below), whose sum is σ = 228136356. Its totient is φ = 227973120.

The previous prime is 228054727. The next prime is 228054787. The reversal of 228054737 is 737450822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75186241 + 152868496 = 8671^2 + 12364^2 .

It is a cyclic number.

It is not a de Polignac number, because 228054737 - 2²⁰ = 227006161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228054737.

It is not an unprimeable number, because it can be changed into a prime (228054727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36464 + ... + 42257.

It is an arithmetic number, because the mean of its divisors is an integer number (57034089).

Almost surely, 2^228054737 is an apocalyptic number.

It is an amenable number.

228054737 is a deficient number, since it is larger than the sum of its proper divisors (81619).

228054737 is an equidigital number, since it uses as much as digits as its factorization.

228054737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81618.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 228054737 is about 15101.4812849601. The cubic root of 228054737 is about 610.9603586186.

The spelling of 228054737 in words is "two hundred twenty-eight million, fifty-four thousand, seven hundred thirty-seven".