2243220101 has 2 divisors, whose sum is σ = 2243220102. Its totient is φ = 2243220100.

The previous prime is 2243220041. The next prime is 2243220103. The reversal of 2243220101 is 1010223422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1945692100 + 297528001 = 44110^2 + 17249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2243220101 is a prime.

Together with 2243220103, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2243220101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243220103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121610050 + 1121610051.

It is an arithmetic number, because the mean of its divisors is an integer number (1121610051).

Almost surely, 2^2243220101 is an apocalyptic number.

It is an amenable number.

2243220101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243220101 is an equidigital number, since it uses as much as digits as its factorization.

2243220101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2243220101 is about 47362.6445735455. The cubic root of 2243220101 is about 1309.0531979221.

Adding to 2243220101 its reverse (1010223422), we get a palindrome (3253443523).

The spelling of 2243220101 in words is "two billion, two hundred forty-three million, two hundred twenty thousand, one hundred one".