9222778 has 8 divisors (see below), whose sum is σ = 13926240. Its totient is φ = 4580700.

The previous prime is 9222767. The next prime is 9222781. The reversal of 9222778 is 8772229.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14968 + ... + 15571.

It is an arithmetic number, because the mean of its divisors is an integer number (1740780).

Almost surely, 2^9222778 is an apocalyptic number.

9222778 is a deficient number, since it is larger than the sum of its proper divisors (4703462).

9222778 is a wasteful number, since it uses less digits than its factorization.

9222778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30692.

The product of its digits is 28224, while the sum is 37.

The square root of 9222778 is about 3036.9026984742. The cubic root of 9222778 is about 209.7106976252.

It can be divided in two parts, 9222 and 778, that added together give a 4-th power (10000 = 10⁴).

The spelling of 9222778 in words is "nine million, two hundred twenty-two thousand, seven hundred seventy-eight".