227491072 has 18 divisors (see below), whose sum is σ = 454094018. Its totient is φ = 113745408.

The previous prime is 227491067. The next prime is 227491073. The reversal of 227491072 is 270194722.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 204604416 + 22886656 = 14304^2 + 4784^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227491073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444063 + ... + 444574.

Almost surely, 2^227491072 is an apocalyptic number.

It is an amenable number.

227491072 is a deficient number, since it is larger than the sum of its proper divisors (226602946).

227491072 is an frugal number, since it uses more digits than its factorization.

227491072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888653 (or 888639 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 227491072 is about 15082.8071657765. The cubic root of 227491072 is about 610.4565890873.

The spelling of 227491072 in words is "two hundred twenty-seven million, four hundred ninety-one thousand, seventy-two".