2252669 has 4 divisors (see below), whose sum is σ = 2289660. Its totient is φ = 2215680.

The previous prime is 2252651. The next prime is 2252681. The reversal of 2252669 is 9662522.

It is a happy number.

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 722500 + 1530169 = 850^2 + 1237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2252669 is a prime.

It is a super-2 number, since 2×2252669² = 10149035247122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18404 + ... + 18525.

It is an arithmetic number, because the mean of its divisors is an integer number (572415).

2^2252669 is an apocalyptic number.

It is an amenable number.

2252669 is a deficient number, since it is larger than the sum of its proper divisors (36991).

2252669 is an equidigital number, since it uses as much as digits as its factorization.

2252669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36990.

The product of its digits is 12960, while the sum is 32.

The square root of 2252669 is about 1500.8894029874. The cubic root of 2252669 is about 131.0888622647.

The spelling of 2252669 in words is "two million, two hundred fifty-two thousand, six hundred sixty-nine".