2236279 has 2 divisors, whose sum is σ = 2236280. Its totient is φ = 2236278.

The previous prime is 2236261. The next prime is 2236327. The reversal of 2236279 is 9726322.

2236279 = 608² + 609² + ... + 613².

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2236279 - 2⁹ = 2235767 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2² + 2¹⁸ + 3¹³ + 6 + 2¹⁸ + 7⁶ + 9 .

2236279 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2236279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2236249) 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 as a sum of consecutive naturals, namely, 1118139 + 1118140.

It is an arithmetic number, because the mean of its divisors is an integer number (1118140).

2^2236279 is an apocalyptic number.

2236279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2236279 is an equidigital number, since it uses as much as digits as its factorization.

2236279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 2236279 is about 1495.4193391822. The cubic root of 2236279 is about 130.7701620287.

The spelling of 2236279 in words is "two million, two hundred thirty-six thousand, two hundred seventy-nine".