1800223470 has 96 divisors (see below), whose sum is σ = 4753663200. Its totient is φ = 472614912.

The previous prime is 1800223441. The next prime is 1800223471. The reversal of 1800223470 is 743220081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1800223471) 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 47 ways as a sum of consecutive naturals, for example, 3035494 + ... + 3036086.

It is an arithmetic number, because the mean of its divisors is an integer number (49517325).

Almost surely, 2^1800223470 is an apocalyptic number.

1800223470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1800223470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2376831600).

1800223470 is an abundant number, since it is smaller than the sum of its proper divisors (2953439730).

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

1800223470 is a wasteful number, since it uses less digits than its factorization.

1800223470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1800223470 is about 42429.0404086635. The cubic root of 1800223470 is about 1216.4907373901.

The spelling of 1800223470 in words is "one billion, eight hundred million, two hundred twenty-three thousand, four hundred seventy".