22242419 has 2 divisors, whose sum is σ = 22242420. Its totient is φ = 22242418.

The previous prime is 22242401. The next prime is 22242427. The reversal of 22242419 is 91424222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22242419 - 2¹⁶ = 22176883 is a prime.

It is a super-2 number, since 2×22242419² = 989450405943122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22242019) 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, 11121209 + 11121210.

It is an arithmetic number, because the mean of its divisors is an integer number (11121210).

Almost surely, 2^22242419 is an apocalyptic number.

22242419 is a deficient number, since it is larger than the sum of its proper divisors (1).

22242419 is an equidigital number, since it uses as much as digits as its factorization.

22242419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 22242419 is about 4716.1869131747. The cubic root of 22242419 is about 281.2293690875.

The spelling of 22242419 in words is "twenty-two million, two hundred forty-two thousand, four hundred nineteen".