2275691 has 8 divisors (see below), whose sum is σ = 2493504. Its totient is φ = 2059720.

The previous prime is 2275681. The next prime is 2275697. The reversal of 2275691 is 1965722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2275691 - 2¹⁰ = 2274667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2275697) 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, 4640 + ... + 5106.

It is an arithmetic number, because the mean of its divisors is an integer number (311688).

2^2275691 is an apocalyptic number.

2275691 is a deficient number, since it is larger than the sum of its proper divisors (217813).

2275691 is a wasteful number, since it uses less digits than its factorization.

2275691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

The product of its digits is 7560, while the sum is 32.

The square root of 2275691 is about 1508.5393597782. The cubic root of 2275691 is about 131.5339202255.

The spelling of 2275691 in words is "two million, two hundred seventy-five thousand, six hundred ninety-one".