2241009 has 9 divisors (see below), whose sum is σ = 3243513. Its totient is φ = 1491012.

The previous prime is 2240977. The next prime is 2241011. The reversal of 2241009 is 9001422.

The square root of 2241009 is 1497.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2241009 - 2⁵ = 2240977 is a prime.

2241009 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2240982 and 2241000.

It is not an unprimeable number, because it can be changed into a prime (2241049) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4242 + ... + 4740.

2^2241009 is an apocalyptic number.

2241009 is the 1497-th square number.

2241009 is the 749-th centered octagonal number.

It is an amenable number.

2241009 is a deficient number, since it is larger than the sum of its proper divisors (1002504).

2241009 is an frugal number, since it uses more digits than its factorization.

2241009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The cubic root of 2241009 is about 130.8622953270.

Multiplying 2241009 by its product of nonzero digits (144), we get a square (322705296 = 17964²).

The spelling of 2241009 in words is "two million, two hundred forty-one thousand, nine".