24222019 has 2 divisors, whose sum is σ = 24222020. Its totient is φ = 24222018.

The previous prime is 24221983. The next prime is 24222049. The reversal of 24222019 is 91022242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24222019 - 2⁷ = 24221891 is a prime.

It is a super-2 number, since 2×24222019² = 1173412408872722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24222049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12111009 + 12111010.

It is an arithmetic number, because the mean of its divisors is an integer number (12111010).

Almost surely, 2^24222019 is an apocalyptic number.

24222019 is a deficient number, since it is larger than the sum of its proper divisors (1).

24222019 is an equidigital number, since it uses as much as digits as its factorization.

24222019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 24222019 is about 4921.5870407827. The cubic root of 24222019 is about 289.3366486780.

The spelling of 24222019 in words is "twenty-four million, two hundred twenty-two thousand, nineteen".