2273628285 has 48 divisors (see below), whose sum is σ = 4093951680. Its totient is φ = 1210515840.

The previous prime is 2273628277. The next prime is 2273628323. The reversal of 2273628285 is 5828263722.

It is a happy number.

2273628285 is a `hidden beast` number, since 2 + 2 + 7 + 362 + 8 + 285 = 666.

It is not a de Polignac number, because 2273628285 - 2³ = 2273628277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2273628285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 923386 + ... + 925844.

It is an arithmetic number, because the mean of its divisors is an integer number (85290660).

Almost surely, 2^2273628285 is an apocalyptic number.

It is an amenable number.

2273628285 is a deficient number, since it is larger than the sum of its proper divisors (1820323395).

2273628285 is an equidigital number, since it uses as much as digits as its factorization.

2273628285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240 (or 3228 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 2273628285 is about 47682.5784223127. The cubic root of 2273628285 is about 1314.9416687779.

The spelling of 2273628285 in words is "two billion, two hundred seventy-three million, six hundred twenty-eight thousand, two hundred eighty-five".