3220078 has 8 divisors (see below), whose sum is σ = 4874760. Its totient is φ = 1595160.

The previous prime is 3220051. The next prime is 3220081. The reversal of 3220078 is 8700223.

It is a happy number.

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, 7168 + ... + 7603.

It is an arithmetic number, because the mean of its divisors is an integer number (609345).

Almost surely, 2^3220078 is an apocalyptic number.

3220078 is a deficient number, since it is larger than the sum of its proper divisors (1654682).

3220078 is a wasteful number, since it uses less digits than its factorization.

3220078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14882.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 3220078 is about 1794.4575782113. The cubic root of 3220078 is about 147.6688175309.

The spelling of 3220078 in words is "three million, two hundred twenty thousand, seventy-eight".