1828223894 has 16 divisors (see below), whose sum is σ = 3318457248. Its totient is φ = 737434752.

The previous prime is 1828223869. The next prime is 1828223897. The reversal of 1828223894 is 4983228281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1828223897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3840569 + ... + 3841044.

It is an arithmetic number, because the mean of its divisors is an integer number (207403578).

Almost surely, 2^1828223894 is an apocalyptic number.

1828223894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1828223894 is a deficient number, since it is larger than the sum of its proper divisors (1490233354).

1828223894 is a wasteful number, since it uses less digits than its factorization.

1828223894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7681639.

The product of its digits is 442368, while the sum is 47.

The square root of 1828223894 is about 42757.7349025881. The cubic root of 1828223894 is about 1222.7653596813.

The spelling of 1828223894 in words is "one billion, eight hundred twenty-eight million, two hundred twenty-three thousand, eight hundred ninety-four".