1800227863 has 16 divisors (see below), whose sum is σ = 2067816960. Its totient is φ = 1535266656.

The previous prime is 1800227861. The next prime is 1800227873. The reversal of 1800227863 is 3687220081.

It is not a de Polignac number, because 1800227863 - 2¹ = 1800227861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1800227861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1830870 + ... + 1831852.

It is an arithmetic number, because the mean of its divisors is an integer number (129238560).

Almost surely, 2^1800227863 is an apocalyptic number.

1800227863 is a deficient number, since it is larger than the sum of its proper divisors (267589097).

1800227863 is an equidigital number, since it uses as much as digits as its factorization.

1800227863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 1800227863 is about 42429.0921774200. The cubic root of 1800227863 is about 1216.4917269042.

The spelling of 1800227863 in words is "one billion, eight hundred million, two hundred twenty-seven thousand, eight hundred sixty-three".