22290419 has 2 divisors, whose sum is σ = 22290420. Its totient is φ = 22290418.

The previous prime is 22290409. The next prime is 22290449. The reversal of 22290419 is 91409222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22290419 - 2¹² = 22286323 is a prime.

It is a super-2 number, since 2×22290419² = 993725558391122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22290391 and 22290400.

It is not a weakly prime, because it can be changed into another prime (22290409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11145209 + 11145210.

It is an arithmetic number, because the mean of its divisors is an integer number (11145210).

Almost surely, 2^22290419 is an apocalyptic number.

22290419 is a deficient number, since it is larger than the sum of its proper divisors (1).

22290419 is an equidigital number, since it uses as much as digits as its factorization.

22290419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 22290419 is about 4721.2730274789. The cubic root of 22290419 is about 281.4315250203.

The spelling of 22290419 in words is "twenty-two million, two hundred ninety thousand, four hundred nineteen".