220244071 has 2 divisors, whose sum is σ = 220244072. Its totient is φ = 220244070.

The previous prime is 220243967. The next prime is 220244093. The reversal of 220244071 is 170442022.

It is a happy number.

It is an a-pointer prime, because the next prime (220244093) can be obtained adding 220244071 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220244071 - 2⁹ = 220243559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220244671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110122035 + 110122036.

It is an arithmetic number, because the mean of its divisors is an integer number (110122036).

Almost surely, 2^220244071 is an apocalyptic number.

220244071 is a deficient number, since it is larger than the sum of its proper divisors (1).

220244071 is an equidigital number, since it uses as much as digits as its factorization.

220244071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 220244071 is about 14840.6223252261. The cubic root of 220244071 is about 603.9042351790.

Adding to 220244071 its reverse (170442022), we get a palindrome (390686093).

The spelling of 220244071 in words is "two hundred twenty million, two hundred forty-four thousand, seventy-one".