2055254221 has 2 divisors, whose sum is σ = 2055254222. Its totient is φ = 2055254220.

The previous prime is 2055254197. The next prime is 2055254233. The reversal of 2055254221 is 1224525502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1206172900 + 849081321 = 34730^2 + 29139^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055254221 - 2²⁷ = 1921036493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2055254221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2055254251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027627110 + 1027627111.

It is an arithmetic number, because the mean of its divisors is an integer number (1027627111).

Almost surely, 2^2055254221 is an apocalyptic number.

It is an amenable number.

2055254221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055254221 is an equidigital number, since it uses as much as digits as its factorization.

2055254221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2055254221 is about 45334.9117237477. The cubic root of 2055254221 is about 1271.4184702927.

Adding to 2055254221 its reverse (1224525502), we get a palindrome (3279779723).

The spelling of 2055254221 in words is "two billion, fifty-five million, two hundred fifty-four thousand, two hundred twenty-one".