2201447551 has 2 divisors, whose sum is σ = 2201447552. Its totient is φ = 2201447550.

The previous prime is 2201447539. The next prime is 2201447557. The reversal of 2201447551 is 1557441022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2201447551 - 2¹¹ = 2201445503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201447557) 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, 1100723775 + 1100723776.

It is an arithmetic number, because the mean of its divisors is an integer number (1100723776).

Almost surely, 2^2201447551 is an apocalyptic number.

2201447551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201447551 is an equidigital number, since it uses as much as digits as its factorization.

2201447551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 2201447551 is about 46919.5860062725. The cubic root of 2201447551 is about 1300.8766377122.

Adding to 2201447551 its reverse (1557441022), we get a palindrome (3758888573).

The spelling of 2201447551 in words is "two billion, two hundred one million, four hundred forty-seven thousand, five hundred fifty-one".