3290422581 has 10 divisors (see below), whose sum is σ = 4915322742. Its totient is φ = 2193615000.

The previous prime is 3290422579. The next prime is 3290422589. The reversal of 3290422581 is 1852240923.

It is a happy number.

3290422581 is a `hidden beast` number, since 32 + 9 + 0 + 42 + 2 + 581 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3164062500 + 126360081 = 56250^2 + 11241^2 .

It is not a de Polignac number, because 3290422581 - 2¹ = 3290422579 is a prime.

It is a super-2 number, since 2×3290422581² = 21653761523109403122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3290422589) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20311170 + ... + 20311331.

Almost surely, 2^3290422581 is an apocalyptic number.

It is an amenable number.

3290422581 is a deficient number, since it is larger than the sum of its proper divisors (1624900161).

3290422581 is an equidigital number, since it uses as much as digits as its factorization.

3290422581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40622513 (or 40622504 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 3290422581 is about 57362.2051615870. The cubic root of 3290422581 is about 1487.3638629359.

The spelling of 3290422581 in words is "three billion, two hundred ninety million, four hundred twenty-two thousand, five hundred eighty-one".