2214822778 has 8 divisors (see below), whose sum is σ = 3796839072. Its totient is φ = 949209756.

The previous prime is 2214822767. The next prime is 2214822787. The reversal of 2214822778 is 8772284122.

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

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, 79100800 + ... + 79100827.

It is an arithmetic number, because the mean of its divisors is an integer number (474604884).

Almost surely, 2^2214822778 is an apocalyptic number.

2214822778 is a deficient number, since it is larger than the sum of its proper divisors (1582016294).

2214822778 is a wasteful number, since it uses less digits than its factorization.

2214822778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158201636.

The product of its digits is 200704, while the sum is 43.

The square root of 2214822778 is about 47061.9036801530. The cubic root of 2214822778 is about 1303.5058775771.

The spelling of 2214822778 in words is "two billion, two hundred fourteen million, eight hundred twenty-two thousand, seven hundred seventy-eight".