2222078 has 8 divisors (see below), whose sum is σ = 3396168. Its totient is φ = 1090024.

The previous prime is 2222071. The next prime is 2222089. The reversal of 2222078 is 8702222.

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 not an unprimeable number, because it can be changed into a prime (2222071) 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, 10376 + ... + 10587.

It is an arithmetic number, because the mean of its divisors is an integer number (424521).

2^2222078 is an apocalyptic number.

2222078 is a deficient number, since it is larger than the sum of its proper divisors (1174090).

2222078 is a wasteful number, since it uses less digits than its factorization.

2222078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21018.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 2222078 is about 1490.6636106111. The cubic root of 2222078 is about 130.4927649233.

The spelling of 2222078 in words is "two million, two hundred twenty-two thousand, seventy-eight".