227105440 has 48 divisors (see below), whose sum is σ = 545355720. Its totient is φ = 89349120.

The previous prime is 227105429. The next prime is 227105441. The reversal of 227105440 is 44501722.

It can be written as a sum of positive squares in 4 ways, for example, as 107246736 + 119858704 = 10356^2 + 10948^2 .

It is not an unprimeable number, because it can be changed into a prime (227105441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1875 + ... + 21394.

Almost surely, 2^227105440 is an apocalyptic number.

227105440 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 227105440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272677860).

227105440 is an abundant number, since it is smaller than the sum of its proper divisors (318250280).

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

227105440 is a wasteful number, since it uses less digits than its factorization.

227105440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23345 (or 23337 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 227105440 is about 15070.0179163795. The cubic root of 227105440 is about 610.1114550443. Note that the first 3 decimals are identical.

The spelling of 227105440 in words is "two hundred twenty-seven million, one hundred five thousand, four hundred forty".