227230640 has 180 divisors, whose sum is σ = 667417104. Its totient is φ = 71914752.

The previous prime is 227230637. The next prime is 227230643. The reversal of 227230640 is 46032722.

It is an interprime number because it is at equal distance from previous prime (227230637) and next prime (227230643).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (227230643) 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 in 35 ways as a sum of consecutive naturals, for example, 17479274 + ... + 17479286.

Almost surely, 2^227230640 is an apocalyptic number.

227230640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227230640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333708552).

227230640 is an abundant number, since it is smaller than the sum of its proper divisors (440186464).

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

227230640 is an frugal number, since it uses more digits than its factorization.

227230640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 227230640 is about 15074.1712873378. The cubic root of 227230640 is about 610.2235497049.

The spelling of 227230640 in words is "two hundred twenty-seven million, two hundred thirty thousand, six hundred forty".