3220534397 has 2 divisors, whose sum is σ = 3220534398. Its totient is φ = 3220534396.

The previous prime is 3220534381. The next prime is 3220534433. The reversal of 3220534397 is 7934350223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2751422116 + 469112281 = 52454^2 + 21659^2 .

It is a cyclic number.

It is not a de Polignac number, because 3220534397 - 2⁴ = 3220534381 is a prime.

It is a super-4 number, since 4×3220534397⁴ (a number of 39 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3220534397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220534307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610267198 + 1610267199.

It is an arithmetic number, because the mean of its divisors is an integer number (1610267199).

Almost surely, 2^3220534397 is an apocalyptic number.

It is an amenable number.

3220534397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220534397 is an equidigital number, since it uses as much as digits as its factorization.

3220534397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 38.

The square root of 3220534397 is about 56749.7523959356. The cubic root of 3220534397 is about 1476.7579380310.

The spelling of 3220534397 in words is "three billion, two hundred twenty million, five hundred thirty-four thousand, three hundred ninety-seven".