2282621 has 4 divisors (see below), whose sum is σ = 2490144. Its totient is φ = 2075100.

The previous prime is 2282617. The next prime is 2282627. The reversal of 2282621 is 1262822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2282621 - 2² = 2282617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2282627) 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, 103745 + ... + 103766.

It is an arithmetic number, because the mean of its divisors is an integer number (622536).

2^2282621 is an apocalyptic number.

It is an amenable number.

2282621 is a deficient number, since it is larger than the sum of its proper divisors (207523).

2282621 is a wasteful number, since it uses less digits than its factorization.

2282621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207522.

The product of its digits is 768, while the sum is 23.

The square root of 2282621 is about 1510.8345375983. The cubic root of 2282621 is about 131.6673018894.

The spelling of 2282621 in words is "two million, two hundred eighty-two thousand, six hundred twenty-one".