2273919 has 16 divisors (see below), whose sum is σ = 3196800. Its totient is φ = 1435616.

The previous prime is 2273911. The next prime is 2273923. The reversal of 2273919 is 9193722.

It is not a de Polignac number, because 2273919 - 2³ = 2273911 is a prime.

It is a super-2 number, since 2×2273919² = 10341415237122, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁵ + 2²¹ + 7⁶ + 3³ + 9 + 1 + 9⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 2273919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273911) 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 in 15 ways as a sum of consecutive naturals, for example, 4912 + ... + 5354.

It is an arithmetic number, because the mean of its divisors is an integer number (199800).

2^2273919 is an apocalyptic number.

2273919 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2273919 is a deficient number, since it is larger than the sum of its proper divisors (922881).

2273919 is a wasteful number, since it uses less digits than its factorization.

2273919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534.

The product of its digits is 6804, while the sum is 33.

The square root of 2273919 is about 1507.9519223105. The cubic root of 2273919 is about 131.4997710917.

The spelling of 2273919 in words is "two million, two hundred seventy-three thousand, nine hundred nineteen".