1228500830 has 16 divisors (see below), whose sum is σ = 2212656480. Its totient is φ = 491099232.

The previous prime is 1228500827. The next prime is 1228500851. The reversal of 1228500830 is 380058221.

It is a junction number, because it is equal to n+sod(n) for n = 1228500793 and 1228500802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20114 + ... + 53493.

It is an arithmetic number, because the mean of its divisors is an integer number (138291030).

Almost surely, 2^1228500830 is an apocalyptic number.

1228500830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1228500830 is a deficient number, since it is larger than the sum of its proper divisors (984155650).

1228500830 is a wasteful number, since it uses less digits than its factorization.

1228500830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75283.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1228500830 is about 35049.9761768821. The cubic root of 1228500830 is about 1071.0057884860.

The spelling of 1228500830 in words is "one billion, two hundred twenty-eight million, five hundred thousand, eight hundred thirty".