4421442197 has 2 divisors, whose sum is σ = 4421442198. Its totient is φ = 4421442196.

The previous prime is 4421442187. The next prime is 4421442203. The reversal of 4421442197 is 7912441244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3988427716 + 433014481 = 63154^2 + 20809^2 .

It is a cyclic number.

It is not a de Polignac number, because 4421442197 - 2⁶ = 4421442133 is a prime.

It is a super-2 number, since 2×4421442197² = 39098302202824373618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4421442197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4421442187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210721098 + 2210721099.

It is an arithmetic number, because the mean of its divisors is an integer number (2210721099).

Almost surely, 2^4421442197 is an apocalyptic number.

It is an amenable number.

4421442197 is a deficient number, since it is larger than the sum of its proper divisors (1).

4421442197 is an equidigital number, since it uses as much as digits as its factorization.

4421442197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 38.

The square root of 4421442197 is about 66493.9260158400. The cubic root of 4421442197 is about 1641.3000544451.

The spelling of 4421442197 in words is "four billion, four hundred twenty-one million, four hundred forty-two thousand, one hundred ninety-seven".