2278448722 has 8 divisors (see below), whose sum is σ = 3728370672. Its totient is φ = 1035658500.

The previous prime is 2278448693. The next prime is 2278448723.

2278448722 is nontrivially palindromic in base 10.

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 (2278448723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51782904 + ... + 51782947.

It is an arithmetic number, because the mean of its divisors is an integer number (466046334).

Almost surely, 2^2278448722 is an apocalyptic number.

2278448722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2278448722 is a deficient number, since it is larger than the sum of its proper divisors (1449921950).

2278448722 is a wasteful number, since it uses less digits than its factorization.

2278448722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103565864.

The product of its digits is 802816, while the sum is 46.

The square root of 2278448722 is about 47733.0988099453. The cubic root of 2278448722 is about 1315.8703047662.

The spelling of 2278448722 in words is "two billion, two hundred seventy-eight million, four hundred forty-eight thousand, seven hundred twenty-two".