2275857 has 10 divisors (see below), whose sum is σ = 3399858. Its totient is φ = 1517184.

The previous prime is 2275853. The next prime is 2275859. The reversal of 2275857 is 7585722.

It can be written as a sum of positive squares in only one way, i.e., 1185921 + 1089936 = 1089^2 + 1044^2 .

It is not a de Polignac number, because 2275857 - 2² = 2275853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2275853) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13968 + ... + 14129.

2^2275857 is an apocalyptic number.

2275857 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2275857 is a deficient number, since it is larger than the sum of its proper divisors (1124001).

2275857 is an equidigital number, since it uses as much as digits as its factorization.

2275857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28109 (or 28100 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 2275857 is about 1508.5943788839. The cubic root of 2275857 is about 131.5371183896.

It can be divided in two parts, 227 and 5857, that added together give a square (6084 = 78²).

The spelling of 2275857 in words is "two million, two hundred seventy-five thousand, eight hundred fifty-seven".