227490428 has 12 divisors (see below), whose sum is σ = 434299992. Its totient is φ = 103404720.

The previous prime is 227490391. The next prime is 227490433. The reversal of 227490428 is 824094722.

227490428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 227490391 and 227490400.

It is a congruent number.

It is an unprimeable number.

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, 2585075 + ... + 2585162.

It is an arithmetic number, because the mean of its divisors is an integer number (36191666).

Almost surely, 2^227490428 is an apocalyptic number.

It is an amenable number.

227490428 is a deficient number, since it is larger than the sum of its proper divisors (206809564).

227490428 is a wasteful number, since it uses less digits than its factorization.

227490428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5170252 (or 5170250 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 227490428 is about 15082.7858169504. The cubic root of 227490428 is about 610.4560130436.

The spelling of 227490428 in words is "two hundred twenty-seven million, four hundred ninety thousand, four hundred twenty-eight".