227742516 has 42 divisors (see below), whose sum is σ = 597558402. Its totient is φ = 75913200.

The previous prime is 227742503. The next prime is 227742547. The reversal of 227742516 is 615247722.

It is a happy number.

227742516 is a `hidden beast` number, since 227 + 7 + 425 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 218921616 + 8820900 = 14796^2 + 2970^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 in 13 ways as a sum of consecutive naturals, for example, 36135 + ... + 41966.

It is an arithmetic number, because the mean of its divisors is an integer number (14227581).

Almost surely, 2^227742516 is an apocalyptic number.

It is an amenable number.

227742516 is an abundant number, since it is smaller than the sum of its proper divisors (369815886).

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

227742516 is an equidigital number, since it uses as much as digits as its factorization.

227742516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78123 (or 78106 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 227742516 is about 15091.1403147675. The cubic root of 227742516 is about 610.6814171468.

The spelling of 227742516 in words is "two hundred twenty-seven million, seven hundred forty-two thousand, five hundred sixteen".