22396019 has 2 divisors, whose sum is σ = 22396020. Its totient is φ = 22396018.

The previous prime is 22396013. The next prime is 22396081. The reversal of 22396019 is 91069322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22396019 is a prime.

It is a super-2 number, since 2×22396019² = 1003163334096722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22396013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11198009 + 11198010.

It is an arithmetic number, because the mean of its divisors is an integer number (11198010).

Almost surely, 2^22396019 is an apocalyptic number.

22396019 is a deficient number, since it is larger than the sum of its proper divisors (1).

22396019 is an equidigital number, since it uses as much as digits as its factorization.

22396019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 22396019 is about 4732.4432379058. The cubic root of 22396019 is about 281.8752487121.

The spelling of 22396019 in words is "twenty-two million, three hundred ninety-six thousand, nineteen".