2200778 has 8 divisors (see below), whose sum is σ = 3444768. Its totient is φ = 1052524.

The previous prime is 2200777. The next prime is 2200799. The reversal of 2200778 is 8770022.

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

It is not an unprimeable number, because it can be changed into a prime (2200771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23876 + ... + 23967.

It is an arithmetic number, because the mean of its divisors is an integer number (430596).

2^2200778 is an apocalyptic number.

2200778 is a deficient number, since it is larger than the sum of its proper divisors (1243990).

2200778 is a wasteful number, since it uses less digits than its factorization.

2200778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47868.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 2200778 is about 1483.5019379832. The cubic root of 2200778 is about 130.0744740926.

The spelling of 2200778 in words is "two million, two hundred thousand, seven hundred seventy-eight".