2271504 has 40 divisors (see below), whose sum is σ = 6031360. Its totient is φ = 736128.

The previous prime is 2271499. The next prime is 2271551. The reversal of 2271504 is 4051722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137 + ... + 2415.

It is an arithmetic number, because the mean of its divisors is an integer number (150784).

2^2271504 is an apocalyptic number.

2271504 is a gapful number since it is divisible by the number (24) 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 2271504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3015680).

2271504 is an abundant number, since it is smaller than the sum of its proper divisors (3759856).

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

2271504 is a wasteful number, since it uses less digits than its factorization.

2271504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2271504 is about 1507.1509546160. The cubic root of 2271504 is about 131.4532017931.

It can be divided in two parts, 2271 and 504, that added together give a triangular number (2775 = T₇₄).

The spelling of 2271504 in words is "two million, two hundred seventy-one thousand, five hundred four".