22313219 has 2 divisors, whose sum is σ = 22313220. Its totient is φ = 22313218.

The previous prime is 22313191. The next prime is 22313227. The reversal of 22313219 is 91231322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22313219 - 2¹⁶ = 22247683 is a prime.

It is a super-3 number, since 3×22313219³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22313194 and 22313203.

It is not a weakly prime, because it can be changed into another prime (22310219) 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 as a sum of consecutive naturals, namely, 11156609 + 11156610.

It is an arithmetic number, because the mean of its divisors is an integer number (11156610).

Almost surely, 2^22313219 is an apocalyptic number.

22313219 is a deficient number, since it is larger than the sum of its proper divisors (1).

22313219 is an equidigital number, since it uses as much as digits as its factorization.

22313219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 22313219 is about 4723.6870133403. The cubic root of 22313219 is about 281.5274474318.

The spelling of 22313219 in words is "twenty-two million, three hundred thirteen thousand, two hundred nineteen".