2275320 has 64 divisors (see below), whose sum is σ = 6952320. Its totient is φ = 595584.

The previous prime is 2275319. The next prime is 2275327. The reversal of 2275320 is 235722.

It is a super-2 number, since 2×2275320² = 10354162204800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2275327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7899 + ... + 8181.

It is an arithmetic number, because the mean of its divisors is an integer number (108630).

2^2275320 is an apocalyptic number.

2275320 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 2275320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3476160).

2275320 is an abundant number, since it is smaller than the sum of its proper divisors (4677000).

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

2275320 is a wasteful number, since it uses less digits than its factorization.

2275320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 2275320 is about 1508.4163881369. The cubic root of 2275320 is about 131.5267719591.

The spelling of 2275320 in words is "two million, two hundred seventy-five thousand, three hundred twenty".