2272819 has 2 divisors, whose sum is σ = 2272820. Its totient is φ = 2272818.

The previous prime is 2272811. The next prime is 2272843. The reversal of 2272819 is 9182722.

2272819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2272819 - 2³ = 2272811 is a prime.

It is a super-4 number, since 4×2272819⁴ (a number of 27 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2272811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136409 + 1136410.

It is an arithmetic number, because the mean of its divisors is an integer number (1136410).

2^2272819 is an apocalyptic number.

2272819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272819 is an equidigital number, since it uses as much as digits as its factorization.

2272819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 31.

The square root of 2272819 is about 1507.5871450765. The cubic root of 2272819 is about 131.4785634938.

Subtracting 2272819 from its reverse (9182722), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 2272819 in words is "two million, two hundred seventy-two thousand, eight hundred nineteen".