22143101 has 2 divisors, whose sum is σ = 22143102. Its totient is φ = 22143100.

The previous prime is 22143091. The next prime is 22143109. The reversal of 22143101 is 10134122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22080601 + 62500 = 4699^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 22143101 - 2²² = 17948797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22143109) 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, 11071550 + 11071551.

It is an arithmetic number, because the mean of its divisors is an integer number (11071551).

Almost surely, 2^22143101 is an apocalyptic number.

It is an amenable number.

22143101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22143101 is an equidigital number, since it uses as much as digits as its factorization.

22143101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 22143101 is about 4705.6456517677. The cubic root of 22143101 is about 280.8101578631.

Adding to 22143101 its reverse (10134122), we get a palindrome (32277223).

The spelling of 22143101 in words is "twenty-two million, one hundred forty-three thousand, one hundred one".