227785946 has 12 divisors (see below), whose sum is σ = 360609642. Its totient is φ = 107898264.

The previous prime is 227785939. The next prime is 227785967. The reversal of 227785946 is 649587722.

It can be written as a sum of positive squares in only one way, i.e., 220195921 + 7590025 = 14839^2 + 2755^2 .

It is a super-2 number, since 2×227785946² = 103772874390229832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 227785894 and 227785903.

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 5 ways as a sum of consecutive naturals, for example, 157025 + ... + 158468.

Almost surely, 2^227785946 is an apocalyptic number.

227785946 is a deficient number, since it is larger than the sum of its proper divisors (132823696).

227785946 is a wasteful number, since it uses less digits than its factorization.

227785946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315533 (or 315514 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The square root of 227785946 is about 15092.5791699100. The cubic root of 227785946 is about 610.7202332166.

The spelling of 227785946 in words is "two hundred twenty-seven million, seven hundred eighty-five thousand, nine hundred forty-six".