227200640 has 64 divisors (see below), whose sum is σ = 546981120. Its totient is φ = 90240000.

The previous prime is 227200627. The next prime is 227200669. The reversal of 227200640 is 46002722.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95465 + ... + 97815.

It is an arithmetic number, because the mean of its divisors is an integer number (8546580).

Almost surely, 2^227200640 is an apocalyptic number.

227200640 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 227200640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273490560).

227200640 is an abundant number, since it is smaller than the sum of its proper divisors (319780480).

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

227200640 is a wasteful number, since it uses less digits than its factorization.

227200640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521 (or 2509 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 227200640 is about 15073.1761749142. The cubic root of 227200640 is about 610.1966937137.

The spelling of 227200640 in words is "two hundred twenty-seven million, two hundred thousand, six hundred forty".