2240779 has 2 divisors, whose sum is σ = 2240780. Its totient is φ = 2240778.

The previous prime is 2240759. The next prime is 2240789. The reversal of 2240779 is 9770422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2240779 - 2⁵ = 2240747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2240779.

It is not a weakly prime, because it can be changed into another prime (2240759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120389 + 1120390.

It is an arithmetic number, because the mean of its divisors is an integer number (1120390).

2^2240779 is an apocalyptic number.

2240779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240779 is an equidigital number, since it uses as much as digits as its factorization.

2240779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 2240779 is about 1496.9231777216. The cubic root of 2240779 is about 130.8578182726.

The spelling of 2240779 in words is "two million, two hundred forty thousand, seven hundred seventy-nine".