227290772 has 6 divisors (see below), whose sum is σ = 397758858. Its totient is φ = 113645384.

The previous prime is 227290771. The next prime is 227290783. The reversal of 227290772 is 277092722.

It can be written as a sum of positive squares in only one way, i.e., 188403076 + 38887696 = 13726^2 + 6236^2 .

It is a super-2 number, since 2×227290772² = 103322190072711968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227290771) 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, 28411343 + ... + 28411350.

It is an arithmetic number, because the mean of its divisors is an integer number (66293143).

Almost surely, 2^227290772 is an apocalyptic number.

It is an amenable number.

227290772 is a deficient number, since it is larger than the sum of its proper divisors (170468086).

227290772 is a wasteful number, since it uses less digits than its factorization.

227290772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56822697 (or 56822695 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 227290772 is about 15076.1656929075. The cubic root of 227290772 is about 610.2773727371.

The spelling of 227290772 in words is "two hundred twenty-seven million, two hundred ninety thousand, seven hundred seventy-two".