2143454522 has 24 divisors (see below), whose sum is σ = 3542913216. Its totient is φ = 964550000.

The previous prime is 2143454501. The next prime is 2143454527. The reversal of 2143454522 is 2254543412.

It is a super-3 number, since 3×2143454522³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2143454527) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 219647 + ... + 229197.

It is an arithmetic number, because the mean of its divisors is an integer number (147621384).

Almost surely, 2^2143454522 is an apocalyptic number.

2143454522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2143454522 is a deficient number, since it is larger than the sum of its proper divisors (1399458694).

2143454522 is a wasteful number, since it uses less digits than its factorization.

2143454522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9766 (or 9665 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 2143454522 is about 46297.4569711988. The cubic root of 2143454522 is about 1289.3517809717.

Adding to 2143454522 its reverse (2254543412), we get a palindrome (4397997934).

The spelling of 2143454522 in words is "two billion, one hundred forty-three million, four hundred fifty-four thousand, five hundred twenty-two".