3220150261 has 2 divisors, whose sum is σ = 3220150262. Its totient is φ = 3220150260.

The previous prime is 3220150247. The next prime is 3220150313. The reversal of 3220150261 is 1620510223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3219995025 + 155236 = 56745^2 + 394^2 .

It is an emirp because it is prime and its reverse (1620510223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3220150261 - 2⁷ = 3220150133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220150201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610075130 + 1610075131.

It is an arithmetic number, because the mean of its divisors is an integer number (1610075131).

Almost surely, 2^3220150261 is an apocalyptic number.

It is an amenable number.

3220150261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220150261 is an equidigital number, since it uses as much as digits as its factorization.

3220150261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3220150261 is about 56746.3678220906. The cubic root of 3220150261 is about 1476.6992212288.

Adding to 3220150261 its reverse (1620510223), we get a palindrome (4840660484).

The spelling of 3220150261 in words is "three billion, two hundred twenty million, one hundred fifty thousand, two hundred sixty-one".