22108019 has 6 divisors (see below), whose sum is σ = 22328124. Its totient is φ = 21890060.

The previous prime is 22108003. The next prime is 22108081. The reversal of 22108019 is 91080122.

It is not a de Polignac number, because 22108019 - 2⁴ = 22108003 is a prime.

It is a super-2 number, since 2×22108019² = 977529008208722, 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 = 22107985 and 22108003.

It is not an unprimeable number, because it can be changed into a prime (22128019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10484 + ... + 12414.

It is an arithmetic number, because the mean of its divisors is an integer number (3721354).

Almost surely, 2^22108019 is an apocalyptic number.

22108019 is a deficient number, since it is larger than the sum of its proper divisors (220105).

22108019 is an equidigital number, since it uses as much as digits as its factorization.

22108019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145 (or 2038 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 22108019 is about 4701.9165241420. The cubic root of 22108019 is about 280.6617807357.

The spelling of 22108019 in words is "twenty-two million, one hundred eight thousand, nineteen".