2275775 has 24 divisors (see below), whose sum is σ = 3028080. Its totient is φ = 1693440.

The previous prime is 2275771. The next prime is 2275813. The reversal of 2275775 is 5775722.

It is not a de Polignac number, because 2275775 - 2² = 2275771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2275771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31139 + ... + 31211.

It is an arithmetic number, because the mean of its divisors is an integer number (126170).

2^2275775 is an apocalyptic number.

2275775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2275775 is a deficient number, since it is larger than the sum of its proper divisors (752305).

2275775 is a wasteful number, since it uses less digits than its factorization.

2275775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 150 counting only the distinct ones).

The product of its digits is 34300, while the sum is 35.

The square root of 2275775 is about 1508.5672010222. The cubic root of 2275775 is about 131.5355385930.

The spelling of 2275775 in words is "two million, two hundred seventy-five thousand, seven hundred seventy-five".