2271330 has 24 divisors (see below), whose sum is σ = 5905692. Its totient is φ = 605664.

The previous prime is 2271307. The next prime is 2271337. The reversal of 2271330 is 331722.

It can be written as a sum of positive squares in 2 ways, for example, as 2259009 + 12321 = 1503^2 + 111^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2271337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12529 + ... + 12708.

2^2271330 is an apocalyptic number.

2271330 is an abundant number, since it is smaller than the sum of its proper divisors (3634362).

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

2271330 is a wasteful number, since it uses less digits than its factorization.

2271330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25250 (or 25247 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 2271330 is about 1507.0932287022. The cubic root of 2271330 is about 131.4498452151.

It can be divided in two parts, 2271 and 330, that added together give a square (2601 = 51²).

The spelling of 2271330 in words is "two million, two hundred seventy-one thousand, three hundred thirty".