22040219 has 2 divisors, whose sum is σ = 22040220. Its totient is φ = 22040218.

The previous prime is 22040191. The next prime is 22040231. The reversal of 22040219 is 91204022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22040219 - 2²⁴ = 5263003 is a prime.

It is a super-2 number, since 2×22040219² = 971542507135922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22040219.

It is not a weakly prime, because it can be changed into another prime (22040269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11020109 + 11020110.

It is an arithmetic number, because the mean of its divisors is an integer number (11020110).

Almost surely, 2^22040219 is an apocalyptic number.

22040219 is a deficient number, since it is larger than the sum of its proper divisors (1).

22040219 is an equidigital number, since it uses as much as digits as its factorization.

22040219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 22040219 is about 4694.7011619484. The cubic root of 22040219 is about 280.3745794525.

The spelling of 22040219 in words is "twenty-two million, forty thousand, two hundred nineteen".