2626055221 has 2 divisors, whose sum is σ = 2626055222. Its totient is φ = 2626055220.

The previous prime is 2626055191. The next prime is 2626055231. The reversal of 2626055221 is 1225506262.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1968696900 + 657358321 = 44370^2 + 25639^2 .

It is a cyclic number.

It is not a de Polignac number, because 2626055221 - 2⁹ = 2626054709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2626055231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1313027610 + 1313027611.

It is an arithmetic number, because the mean of its divisors is an integer number (1313027611).

Almost surely, 2^2626055221 is an apocalyptic number.

It is an amenable number.

2626055221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2626055221 is an equidigital number, since it uses as much as digits as its factorization.

2626055221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2626055221 is about 51245.0506976040. The cubic root of 2626055221 is about 1379.6469062677.

The spelling of 2626055221 in words is "two billion, six hundred twenty-six million, fifty-five thousand, two hundred twenty-one".