2142224520 has 64 divisors (see below), whose sum is σ = 6600381120. Its totient is φ = 555819264.

The previous prime is 2142224503. The next prime is 2142224561. The reversal of 2142224520 is 254222412.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 236802 + ... + 245681.

It is an arithmetic number, because the mean of its divisors is an integer number (103130955).

Almost surely, 2^2142224520 is an apocalyptic number.

2142224520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142224520 is an abundant number, since it is smaller than the sum of its proper divisors (4458156600).

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

2142224520 is a wasteful number, since it uses less digits than its factorization.

2142224520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482534 (or 482530 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 2142224520 is about 46284.1713764004. The cubic root of 2142224520 is about 1289.1051061605.

Adding to 2142224520 its reverse (254222412), we get a palindrome (2396446932).

The spelling of 2142224520 in words is "two billion, one hundred forty-two million, two hundred twenty-four thousand, five hundred twenty".