3220425136 has 20 divisors (see below), whose sum is σ = 6240484264. Its totient is φ = 1609977600.

The previous prime is 3220425133. The next prime is 3220425139. The reversal of 3220425136 is 6315240223.

It is an interprime number because it is at equal distance from previous prime (3220425133) and next prime (3220425139).

It is a super-2 number, since 2×3220425136² = 20742276113161236992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3220425133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165016 + ... + 183496.

Almost surely, 2^3220425136 is an apocalyptic number.

It is an amenable number.

3220425136 is a deficient number, since it is larger than the sum of its proper divisors (3020059128).

3220425136 is a wasteful number, since it uses less digits than its factorization.

3220425136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29380 (or 29374 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 3220425136 is about 56748.7897315881. The cubic root of 3220425136 is about 1476.7412375030.

Adding to 3220425136 its reverse (6315240223), we get a palindrome (9535665359).

The spelling of 3220425136 in words is "three billion, two hundred twenty million, four hundred twenty-five thousand, one hundred thirty-six".