1828424220 has 72 divisors (see below), whose sum is σ = 5955448464. Its totient is φ = 417924864.

The previous prime is 1828424197. The next prime is 1828424249. The reversal of 1828424220 is 224248281.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 308017 + ... + 313896.

It is an arithmetic number, because the mean of its divisors is an integer number (82714562).

Almost surely, 2^1828424220 is an apocalyptic number.

1828424220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1828424220 is an abundant number, since it is smaller than the sum of its proper divisors (4127024244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1828424220 is a wasteful number, since it uses less digits than its factorization.

1828424220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621939 (or 621930 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 1828424220 is about 42760.0774087232. The cubic root of 1828424220 is about 1222.8100191908.

The spelling of 1828424220 in words is "one billion, eight hundred twenty-eight million, four hundred twenty-four thousand, two hundred twenty".