227491012 has 12 divisors (see below), whose sum is σ = 454982080. Its totient is φ = 97496136.

The previous prime is 227490947. The next prime is 227491037. The reversal of 227491012 is 210194722.

227491012 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 8124679 = 227491012 / (2 + 2 + 7 + 4 + 9 + 1 + 0 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4062312 + ... + 4062367.

Almost surely, 2^227491012 is an apocalyptic number.

It is an amenable number.

227491012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

227491012 is a wasteful number, since it uses less digits than its factorization.

227491012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8124690 (or 8124688 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 227491012 is about 15082.8051767567. The cubic root of 227491012 is about 610.4565354187.

The spelling of 227491012 in words is "two hundred twenty-seven million, four hundred ninety-one thousand, twelve".