2228708277 has 16 divisors (see below), whose sum is σ = 3342556160. Its totient is φ = 1485804060.

The previous prime is 2228708269. The next prime is 2228708297. The reversal of 2228708277 is 7728078222.

It is a happy number.

It is not a de Polignac number, because 2228708277 - 2³ = 2228708269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228708267) 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 15 ways as a sum of consecutive naturals, for example, 507349 + ... + 511722.

It is an arithmetic number, because the mean of its divisors is an integer number (208909760).

Almost surely, 2^2228708277 is an apocalyptic number.

2228708277 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2228708277 is a deficient number, since it is larger than the sum of its proper divisors (1113847883).

2228708277 is an frugal number, since it uses more digits than its factorization.

2228708277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019092 (or 1019074 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The square root of 2228708277 is about 47209.1969535598. The cubic root of 2228708277 is about 1306.2242494805.

The spelling of 2228708277 in words is "two billion, two hundred twenty-eight million, seven hundred eight thousand, two hundred seventy-seven".