22190479 has 2 divisors, whose sum is σ = 22190480. Its totient is φ = 22190478.

The previous prime is 22190473. The next prime is 22190503. The reversal of 22190479 is 97409122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22190479 - 2⁵ = 22190447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22190473) 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, 11095239 + 11095240.

It is an arithmetic number, because the mean of its divisors is an integer number (11095240).

Almost surely, 2^22190479 is an apocalyptic number.

22190479 is a deficient number, since it is larger than the sum of its proper divisors (1).

22190479 is an equidigital number, since it uses as much as digits as its factorization.

22190479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 22190479 is about 4710.6771275476. The cubic root of 22190479 is about 281.0102916238.

The spelling of 22190479 in words is "twenty-two million, one hundred ninety thousand, four hundred seventy-nine".