3221078 has 8 divisors (see below), whose sum is σ = 5521872. Its totient is φ = 1380456.

The previous prime is 3221069. The next prime is 3221093. The reversal of 3221078 is 8701223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115025 + ... + 115052.

It is an arithmetic number, because the mean of its divisors is an integer number (690234).

Almost surely, 2^3221078 is an apocalyptic number.

3221078 is a deficient number, since it is larger than the sum of its proper divisors (2300794).

3221078 is a wasteful number, since it uses less digits than its factorization.

3221078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230086.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 3221078 is about 1794.7361923135. The cubic root of 3221078 is about 147.6841022056.

The spelling of 3221078 in words is "three million, two hundred twenty-one thousand, seventy-eight".