20221344067 has 2 divisors, whose sum is σ = 20221344068. Its totient is φ = 20221344066.

The previous prime is 20221344053. The next prime is 20221344109. The reversal of 20221344067 is 76044312202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20221344067 is a prime.

It is a super-2 number, since 2×20221344067² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20221344037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110672033 + 10110672034.

It is an arithmetic number, because the mean of its divisors is an integer number (10110672034).

Almost surely, 2^20221344067 is an apocalyptic number.

20221344067 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221344067 is an equidigital number, since it uses as much as digits as its factorization.

20221344067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 20221344067 its reverse (76044312202), we get a palindrome (96265656269).

The spelling of 20221344067 in words is "twenty billion, two hundred twenty-one million, three hundred forty-four thousand, sixty-seven".