2252661 has 8 divisors (see below), whose sum is σ = 3014400. Its totient is φ = 1496352.

The previous prime is 2252651. The next prime is 2252681. The reversal of 2252661 is 1662522.

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

It is not a de Polignac number, because 2252661 - 2⁵ = 2252629 is a prime.

2252661 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (376800).

2^2252661 is an apocalyptic number.

It is an amenable number.

2252661 is a deficient number, since it is larger than the sum of its proper divisors (761739).

2252661 is a wasteful number, since it uses less digits than its factorization.

2252661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715.

The product of its digits is 1440, while the sum is 24.

The square root of 2252661 is about 1500.8867378986. The cubic root of 2252661 is about 131.0887070840.

The spelling of 2252661 in words is "two million, two hundred fifty-two thousand, six hundred sixty-one".