227349440 has 112 divisors (see below), whose sum is σ = 580156320. Its totient is φ = 84602880.

The previous prime is 227349407. The next prime is 227349487. The reversal of 227349440 is 44943722.

It is a self number, because there is not a number n which added to its sum of digits gives 227349440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370574 + ... + 371186.

Almost surely, 2^227349440 is an apocalyptic number.

227349440 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 227349440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290078160).

227349440 is an abundant number, since it is smaller than the sum of its proper divisors (352806880).

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

227349440 is a wasteful number, since it uses less digits than its factorization.

227349440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 227349440 is about 15078.1112875585. Note that the first 3 decimals coincide. The cubic root of 227349440 is about 610.3298762220.

The spelling of 227349440 in words is "two hundred twenty-seven million, three hundred forty-nine thousand, four hundred forty".