3422615621 has 2 divisors, whose sum is σ = 3422615622. Its totient is φ = 3422615620.

The previous prime is 3422615569. The next prime is 3422615681. The reversal of 3422615621 is 1265162243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2226424225 + 1196191396 = 47185^2 + 34586^2 .

It is a cyclic number.

It is not a de Polignac number, because 3422615621 - 2¹⁸ = 3422353477 is a prime.

It is a super-2 number, since 2×3422615621² = 23428595378226431282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3422615681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1711307810 + 1711307811.

It is an arithmetic number, because the mean of its divisors is an integer number (1711307811).

Almost surely, 2^3422615621 is an apocalyptic number.

It is an amenable number.

3422615621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3422615621 is an equidigital number, since it uses as much as digits as its factorization.

3422615621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 3422615621 is about 58503.1248823514. The cubic root of 3422615621 is about 1507.0212494987.

Adding to 3422615621 its reverse (1265162243), we get a palindrome (4687777864).

The spelling of 3422615621 in words is "three billion, four hundred twenty-two million, six hundred fifteen thousand, six hundred twenty-one".