2252881 has 4 divisors (see below), whose sum is σ = 2272932. Its totient is φ = 2232832.

The previous prime is 2252867. The next prime is 2252897. The reversal of 2252881 is 1882522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 176400 + 2076481 = 420^2 + 1441^2 .

It is a cyclic number.

It is not a de Polignac number, because 2252881 - 2⁷ = 2252753 is a prime.

It is a super-2 number, since 2×2252881² = 10150945600322, which contains 22 as substring.

It is a Duffinian number.

2252881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2252821) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9856 + ... + 10081.

It is an arithmetic number, because the mean of its divisors is an integer number (568233).

2^2252881 is an apocalyptic number.

It is an amenable number.

2252881 is a deficient number, since it is larger than the sum of its proper divisors (20051).

2252881 is a wasteful number, since it uses less digits than its factorization.

2252881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20050.

The product of its digits is 2560, while the sum is 28.

The square root of 2252881 is about 1500.9600261166. The cubic root of 2252881 is about 131.0929744189.

The spelling of 2252881 in words is "two million, two hundred fifty-two thousand, eight hundred eighty-one".