22090219 has 2 divisors, whose sum is σ = 22090220. Its totient is φ = 22090218.

The previous prime is 22090213. The next prime is 22090247. The reversal of 22090219 is 91209022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22090219 - 2⁹ = 22089707 is a prime.

It is a super-2 number, since 2×22090219² = 975955550935922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22090193 and 22090202.

It is not a weakly prime, because it can be changed into another prime (22090213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11045109 + 11045110.

It is an arithmetic number, because the mean of its divisors is an integer number (11045110).

Almost surely, 2^22090219 is an apocalyptic number.

22090219 is a deficient number, since it is larger than the sum of its proper divisors (1).

22090219 is an equidigital number, since it uses as much as digits as its factorization.

22090219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 22090219 is about 4700.0232978146. The cubic root of 22090219 is about 280.5864367159.

The spelling of 22090219 in words is "twenty-two million, ninety thousand, two hundred nineteen".