3223101221 has 2 divisors, whose sum is σ = 3223101222. Its totient is φ = 3223101220.

The previous prime is 3223101173. The next prime is 3223101283. The reversal of 3223101221 is 1221013223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3190668196 + 32433025 = 56486^2 + 5695^2 .

It is a cyclic number.

It is not a de Polignac number, because 3223101221 - 2¹⁰ = 3223100197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3223101221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3223101121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611550610 + 1611550611.

It is an arithmetic number, because the mean of its divisors is an integer number (1611550611).

Almost surely, 2^3223101221 is an apocalyptic number.

It is an amenable number.

3223101221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3223101221 is an equidigital number, since it uses as much as digits as its factorization.

3223101221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3223101221 is about 56772.3631796317. The cubic root of 3223101221 is about 1477.1501680817.

Adding to 3223101221 its reverse (1221013223), we get a palindrome (4444114444).

The spelling of 3223101221 in words is "three billion, two hundred twenty-three million, one hundred one thousand, two hundred twenty-one".