2150223140 has 48 divisors (see below), whose sum is σ = 4945268160. Its totient is φ = 780466560.

The previous prime is 2150223137. The next prime is 2150223151. The reversal of 2150223140 is 413220512.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54746 + ... + 85425.

It is an arithmetic number, because the mean of its divisors is an integer number (103026420).

Almost surely, 2^2150223140 is an apocalyptic number.

2150223140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150223140 is an abundant number, since it is smaller than the sum of its proper divisors (2795045020).

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

2150223140 is a wasteful number, since it uses less digits than its factorization.

2150223140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140252 (or 140250 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2150223140 is about 46370.4985955510. The cubic root of 2150223140 is about 1290.7075300620.

Adding to 2150223140 its reverse (413220512), we get a palindrome (2563443652).

The spelling of 2150223140 in words is "two billion, one hundred fifty million, two hundred twenty-three thousand, one hundred forty".