22207019 has 2 divisors, whose sum is σ = 22207020. Its totient is φ = 22207018.

The previous prime is 22206973. The next prime is 22207021. The reversal of 22207019 is 91070222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22207019 - 2²⁴ = 5429803 is a prime.

It is a super-2 number, since 2×22207019² = 986303385732722, which contains 22 as substring.

Together with 22207021, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22206985 and 22207003.

It is not a weakly prime, because it can be changed into another prime (22207079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11103509 + 11103510.

It is an arithmetic number, because the mean of its divisors is an integer number (11103510).

Almost surely, 2^22207019 is an apocalyptic number.

22207019 is a deficient number, since it is larger than the sum of its proper divisors (1).

22207019 is an equidigital number, since it uses as much as digits as its factorization.

22207019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 22207019 is about 4712.4323867829. The cubic root of 22207019 is about 281.0800926693.

The spelling of 22207019 in words is "twenty-two million, two hundred seven thousand, nineteen".