2240577 has 12 divisors (see below), whose sum is σ = 3252964. Its totient is φ = 1486080.

The previous prime is 2240573. The next prime is 2240593. The reversal of 2240577 is 7750422.

It can be written as a sum of positive squares in 2 ways, for example, as 1971216 + 269361 = 1404^2 + 519^2 .

It is not a de Polignac number, because 2240577 - 2² = 2240573 is a prime.

It is a Duffinian number.

2240577 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2240577.

It is not an unprimeable number, because it can be changed into a prime (2240573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1653 + ... + 2685.

2^2240577 is an apocalyptic number.

It is an amenable number.

2240577 is a deficient number, since it is larger than the sum of its proper divisors (1012387).

2240577 is a wasteful number, since it uses less digits than its factorization.

2240577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 2240577 is about 1496.8557044685. The cubic root of 2240577 is about 130.8538859982.

Adding to 2240577 its reverse (7750422), we get a palindrome (9990999).

The spelling of 2240577 in words is "two million, two hundred forty thousand, five hundred seventy-seven".