3322621 has 2 divisors, whose sum is σ = 3322622. Its totient is φ = 3322620.

The previous prime is 3322607. The next prime is 3322639. The reversal of 3322621 is 1262233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2134521 + 1188100 = 1461^2 + 1090^2 .

It is a cyclic number.

It is not a de Polignac number, because 3322621 - 2¹³ = 3314429 is a prime.

It is a super-2 number, since 2×3322621² = 22079620619282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3322421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1661310 + 1661311.

It is an arithmetic number, because the mean of its divisors is an integer number (1661311).

Almost surely, 2^3322621 is an apocalyptic number.

It is an amenable number.

3322621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3322621 is an equidigital number, since it uses as much as digits as its factorization.

3322621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 19.

The square root of 3322621 is about 1822.8058042479. The cubic root of 3322621 is about 149.2199654872.

Adding to 3322621 its reverse (1262233), we get a palindrome (4584854).

It can be divided in two parts, 3 and 322621, that added together give a square (322624 = 568²).

The spelling of 3322621 in words is "three million, three hundred twenty-two thousand, six hundred twenty-one".