2281219 has 2 divisors, whose sum is σ = 2281220. Its totient is φ = 2281218.

The previous prime is 2281211. The next prime is 2281229. The reversal of 2281219 is 9121822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2281219 - 2³ = 2281211 is a prime.

It is a super-2 number, since 2×2281219² = 10407920251922, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2281193 and 2281202.

It is not a weakly prime, because it can be changed into another prime (2281211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140609 + 1140610.

It is an arithmetic number, because the mean of its divisors is an integer number (1140610).

2^2281219 is an apocalyptic number.

2281219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281219 is an equidigital number, since it uses as much as digits as its factorization.

2281219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 25.

The square root of 2281219 is about 1510.3704843514. The cubic root of 2281219 is about 131.6403394102.

It can be divided in two parts, 2281 and 219, that added together give a square (2500 = 50²).

The spelling of 2281219 in words is "two million, two hundred eighty-one thousand, two hundred nineteen".