22122143501 has 2 divisors, whose sum is σ = 22122143502. Its totient is φ = 22122143500.

The previous prime is 22122143497. The next prime is 22122143509. The reversal of 22122143501 is 10534122122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11299902601 + 10822240900 = 106301^2 + 104030^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122143501 - 2² = 22122143497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22122143509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061071750 + 11061071751.

It is an arithmetic number, because the mean of its divisors is an integer number (11061071751).

Almost surely, 2^22122143501 is an apocalyptic number.

It is an amenable number.

22122143501 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122143501 is an equidigital number, since it uses as much as digits as its factorization.

22122143501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 22122143501 its reverse (10534122122), we get a palindrome (32656265623).

The spelling of 22122143501 in words is "twenty-two billion, one hundred twenty-two million, one hundred forty-three thousand, five hundred one".