2224728478 has 24 divisors (see below), whose sum is σ = 3910282992. Its totient is φ = 946489824.

The previous prime is 2224728439. The next prime is 2224728481. The reversal of 2224728478 is 8748274222.

It is a super-3 number, since 3×2224728478³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69426 + ... + 96277.

It is an arithmetic number, because the mean of its divisors is an integer number (162928458).

Almost surely, 2^2224728478 is an apocalyptic number.

2224728478 is a deficient number, since it is larger than the sum of its proper divisors (1685554514).

2224728478 is a wasteful number, since it uses less digits than its factorization.

2224728478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165856 (or 165849 counting only the distinct ones).

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

The square root of 2224728478 is about 47167.0274450277. The cubic root of 2224728478 is about 1305.4462790584.

The spelling of 2224728478 in words is "two billion, two hundred twenty-four million, seven hundred twenty-eight thousand, four hundred seventy-eight".