22789019 has 12 divisors (see below), whose sum is σ = 25168920. Its totient is φ = 20618400.

The previous prime is 22789009. The next prime is 22789033. The reversal of 22789019 is 91098722.

It is not a de Polignac number, because 22789019 - 2²⁰ = 21740443 is a prime.

It is a super-2 number, since 2×22789019² = 1038678773964722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22789009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39767 + ... + 40335.

It is an arithmetic number, because the mean of its divisors is an integer number (2097410).

Almost surely, 2^22789019 is an apocalyptic number.

22789019 is a deficient number, since it is larger than the sum of its proper divisors (2379901).

22789019 is a wasteful number, since it uses less digits than its factorization.

22789019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 22789019 is about 4773.7845573507. The cubic root of 22789019 is about 283.5144575075.

The spelling of 22789019 in words is "twenty-two million, seven hundred eighty-nine thousand, nineteen".