227252736 has 160 divisors (see below), whose sum is σ = 712990080. Its totient is φ = 71221248.

The previous prime is 227252717. The next prime is 227252737. The reversal of 227252736 is 637252722.

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

It is a self number, because there is not a number n which added to its sum of digits gives 227252736.

It is not an unprimeable number, because it can be changed into a prime (227252737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234525 + ... + 235491.

It is an arithmetic number, because the mean of its divisors is an integer number (4456188).

Almost surely, 2^227252736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227252736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356495040).

227252736 is an abundant number, since it is smaller than the sum of its proper divisors (485737344).

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

227252736 is an equidigital number, since it uses as much as digits as its factorization.

227252736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011 (or 989 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 227252736 is about 15074.9041787999. The cubic root of 227252736 is about 610.2433285260.

The spelling of 227252736 in words is "two hundred twenty-seven million, two hundred fifty-two thousand, seven hundred thirty-six".