22224021971 has 2 divisors, whose sum is σ = 22224021972. Its totient is φ = 22224021970.

The previous prime is 22224021899. The next prime is 22224022069. The reversal of 22224021971 is 17912042222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22224021971 - 2¹⁸ = 22223759827 is a prime.

It is not a weakly prime, because it can be changed into another prime (22224021571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11112010985 + 11112010986.

It is an arithmetic number, because the mean of its divisors is an integer number (11112010986).

Almost surely, 2^22224021971 is an apocalyptic number.

22224021971 is a deficient number, since it is larger than the sum of its proper divisors (1).

22224021971 is an equidigital number, since it uses as much as digits as its factorization.

22224021971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 22224021971 in words is "twenty-two billion, two hundred twenty-four million, twenty-one thousand, nine hundred seventy-one".