2201971069 has 2 divisors, whose sum is σ = 2201971070. Its totient is φ = 2201971068.

The previous prime is 2201971063. The next prime is 2201971091. The reversal of 2201971069 is 9601791022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2193048900 + 8922169 = 46830^2 + 2987^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201971069 - 2¹⁵ = 2201938301 is a prime.

It is a super-2 number, since 2×2201971069² = 9697353177426005522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201971063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100985534 + 1100985535.

It is an arithmetic number, because the mean of its divisors is an integer number (1100985535).

Almost surely, 2^2201971069 is an apocalyptic number.

It is an amenable number.

2201971069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201971069 is an equidigital number, since it uses as much as digits as its factorization.

2201971069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 2201971069 is about 46925.1645601803. The cubic root of 2201971069 is about 1300.9797484068.

The spelling of 2201971069 in words is "two billion, two hundred one million, nine hundred seventy-one thousand, sixty-nine".