3223220078 has 16 divisors (see below), whose sum is σ = 5480779920. Its totient is φ = 1409342976.

The previous prime is 3223220041. The next prime is 3223220083. The reversal of 3223220078 is 8700223223.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3223220078.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3261875 + ... + 3262862.

It is an arithmetic number, because the mean of its divisors is an integer number (342548745).

Almost surely, 2^3223220078 is an apocalyptic number.

3223220078 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3223220078 is a deficient number, since it is larger than the sum of its proper divisors (2257559842).

3223220078 is a wasteful number, since it uses less digits than its factorization.

3223220078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6524771.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 3223220078 is about 56773.4099557178. The cubic root of 3223220078 is about 1477.1683252816.

The spelling of 3223220078 in words is "three billion, two hundred twenty-three million, two hundred twenty thousand, seventy-eight".