2221010551 has 2 divisors, whose sum is σ = 2221010552. Its totient is φ = 2221010550.

The previous prime is 2221010483. The next prime is 2221010591. The reversal of 2221010551 is 1550101222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221010551 - 2⁷ = 2221010423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221010591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110505275 + 1110505276.

It is an arithmetic number, because the mean of its divisors is an integer number (1110505276).

Almost surely, 2^2221010551 is an apocalyptic number.

2221010551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221010551 is an equidigital number, since it uses as much as digits as its factorization.

2221010551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 2221010551 is about 47127.5986127025. The cubic root of 2221010551 is about 1304.7186606466.

Adding to 2221010551 its reverse (1550101222), we get a palindrome (3771111773).

It can be divided in two parts, 22210 and 10551, that added together give a square (32761 = 181²).

The spelling of 2221010551 in words is "two billion, two hundred twenty-one million, ten thousand, five hundred fifty-one".