3081228406 has 4 divisors (see below), whose sum is σ = 4621842612. Its totient is φ = 1540614202.

The previous prime is 3081228383. The next prime is 3081228421. The reversal of 3081228406 is 6048221803.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770307100 + ... + 770307103.

It is an arithmetic number, because the mean of its divisors is an integer number (1155460653).

Almost surely, 2^3081228406 is an apocalyptic number.

3081228406 is a deficient number, since it is larger than the sum of its proper divisors (1540614206).

3081228406 is a wasteful number, since it uses less digits than its factorization.

3081228406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540614205.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 3081228406 is about 55508.8137686260. The cubic root of 3081228406 is about 1455.1506724297.

The spelling of 3081228406 in words is "three billion, eighty-one million, two hundred twenty-eight thousand, four hundred six".