3223620761 has 2 divisors, whose sum is σ = 3223620762. Its totient is φ = 3223620760.

The previous prime is 3223620727. The next prime is 3223620791. The reversal of 3223620761 is 1670263223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3150689161 + 72931600 = 56131^2 + 8540^2 .

It is a cyclic number.

It is not a de Polignac number, because 3223620761 - 2¹⁸ = 3223358617 is a prime.

It is not a weakly prime, because it can be changed into another prime (3223620791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611810380 + 1611810381.

It is an arithmetic number, because the mean of its divisors is an integer number (1611810381).

Almost surely, 2^3223620761 is an apocalyptic number.

It is an amenable number.

3223620761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3223620761 is an equidigital number, since it uses as much as digits as its factorization.

3223620761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 3223620761 is about 56776.9386370910. The cubic root of 3223620761 is about 1477.2295323662.

Adding to 3223620761 its reverse (1670263223), we get a palindrome (4893883984).

The spelling of 3223620761 in words is "three billion, two hundred twenty-three million, six hundred twenty thousand, seven hundred sixty-one".