227781246216 has 32 divisors (see below), whose sum is σ = 587822572800. Its totient is φ = 73477821120.

The previous prime is 227781246211. The next prime is 227781246241. The reversal of 227781246216 is 612642187722.

It is a super-2 number, since 2×227781246216² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (227781246211) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 153078051 + ... + 153079538.

It is an arithmetic number, because the mean of its divisors is an integer number (18369455400).

Almost surely, 2^227781246216 is an apocalyptic number.

It is an amenable number.

227781246216 is an abundant number, since it is smaller than the sum of its proper divisors (360041326584).

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

227781246216 is a wasteful number, since it uses less digits than its factorization.

227781246216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306157629 (or 306157625 counting only the distinct ones).

The product of its digits is 903168, while the sum is 48.

The spelling of 227781246216 in words is "two hundred twenty-seven billion, seven hundred eighty-one million, two hundred forty-six thousand, two hundred sixteen".