2227822778 has 16 divisors (see below), whose sum is σ = 3387279840. Its totient is φ = 1098832176.

The previous prime is 2227822771. The next prime is 2227822787. The reversal of 2227822778 is 8772287222.

It is not an unprimeable number, because it can be changed into a prime (2227822771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18125 + ... + 69167.

It is an arithmetic number, because the mean of its divisors is an integer number (211704990).

Almost surely, 2^2227822778 is an apocalyptic number.

2227822778 is a deficient number, since it is larger than the sum of its proper divisors (1159457062).

2227822778 is a wasteful number, since it uses less digits than its factorization.

2227822778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51341.

The product of its digits is 702464, while the sum is 47.

The square root of 2227822778 is about 47199.8175632067. The cubic root of 2227822778 is about 1306.0512324466.

The spelling of 2227822778 in words is "two billion, two hundred twenty-seven million, eight hundred twenty-two thousand, seven hundred seventy-eight".