3050745221 has 2 divisors, whose sum is σ = 3050745222. Its totient is φ = 3050745220.

The previous prime is 3050745211. The next prime is 3050745223. The reversal of 3050745221 is 1225470503.

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., 2511112321 + 539632900 = 50111^2 + 23230^2 .

It is a cyclic number.

It is not a de Polignac number, because 3050745221 - 2²² = 3046550917 is a prime.

Together with 3050745223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3050745223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1525372610 + 1525372611.

It is an arithmetic number, because the mean of its divisors is an integer number (1525372611).

Almost surely, 2^3050745221 is an apocalyptic number.

It is an amenable number.

3050745221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3050745221 is an equidigital number, since it uses as much as digits as its factorization.

3050745221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 3050745221 is about 55233.5515877804. The cubic root of 3050745221 is about 1450.3360649504.

The spelling of 3050745221 in words is "three billion, fifty million, seven hundred forty-five thousand, two hundred twenty-one".