11222019 has 6 divisors (see below), whose sum is σ = 16209596. Its totient is φ = 7481340.

The previous prime is 11221993. The next prime is 11222021. The reversal of 11222019 is 91022211.

It is not a de Polignac number, because 11222019 - 2⁷ = 11221891 is a prime.

It is a super-2 number, since 2×11222019² = 251867420872722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221992 and 11222010.

It is not an unprimeable number, because it can be changed into a prime (11222039) 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 in 5 ways as a sum of consecutive naturals, for example, 623437 + ... + 623454.

Almost surely, 2^11222019 is an apocalyptic number.

11222019 is a deficient number, since it is larger than the sum of its proper divisors (4987577).

11222019 is a wasteful number, since it uses less digits than its factorization.

11222019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246897 (or 1246894 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 11222019 is about 3349.9282081860. The cubic root of 11222019 is about 223.8843139349.

The spelling of 11222019 in words is "eleven million, two hundred twenty-two thousand, nineteen".