2778223353 has 8 divisors (see below), whose sum is σ = 3712737600. Its totient is φ = 1847929008.

The previous prime is 2778223333. The next prime is 2778223361. The reversal of 2778223353 is 3533228772.

It is a happy number.

2778223353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2778223353 - 2⁶ = 2778223289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2778223303) 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, 1053438 + ... + 1056071.

It is an arithmetic number, because the mean of its divisors is an integer number (464092200).

Almost surely, 2^2778223353 is an apocalyptic number.

It is an amenable number.

2778223353 is a deficient number, since it is larger than the sum of its proper divisors (934514247).

2778223353 is a wasteful number, since it uses less digits than its factorization.

2778223353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109951.

The product of its digits is 423360, while the sum is 42.

The square root of 2778223353 is about 52708.8545976860. The cubic root of 2778223353 is about 1405.7962673572.

The spelling of 2778223353 in words is "two billion, seven hundred seventy-eight million, two hundred twenty-three thousand, three hundred fifty-three".