227996440 has 64 divisors (see below), whose sum is σ = 588902400. Its totient is φ = 77820288.

The previous prime is 227996437. The next prime is 227996443. The reversal of 227996440 is 44699722.

It is an interprime number because it is at equal distance from previous prime (227996437) and next prime (227996443).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227996443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65217 + ... + 68623.

It is an arithmetic number, because the mean of its divisors is an integer number (9201600).

Almost surely, 2^227996440 is an apocalyptic number.

227996440 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 227996440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294451200).

227996440 is an abundant number, since it is smaller than the sum of its proper divisors (360905960).

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

227996440 is a wasteful number, since it uses less digits than its factorization.

227996440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664 (or 3660 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 227996440 is about 15099.5509867016. The cubic root of 227996440 is about 610.9082948147.

The spelling of 227996440 in words is "two hundred twenty-seven million, nine hundred ninety-six thousand, four hundred forty".