2140222452 has 24 divisors (see below), whose sum is σ = 5001963456. Its totient is φ = 712248768.

The previous prime is 2140222411. The next prime is 2140222457. The reversal of 2140222452 is 2542220412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140222457) 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 7 ways as a sum of consecutive naturals, for example, 137128 + ... + 151935.

It is an arithmetic number, because the mean of its divisors is an integer number (208415144).

Almost surely, 2^2140222452 is an apocalyptic number.

It is an amenable number.

2140222452 is an abundant number, since it is smaller than the sum of its proper divisors (2861741004).

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

2140222452 is a wasteful number, since it uses less digits than its factorization.

2140222452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289687 (or 289685 counting only the distinct ones).

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

The square root of 2140222452 is about 46262.5383220592. The cubic root of 2140222452 is about 1288.7033928197.

Adding to 2140222452 its reverse (2542220412), we get a palindrome (4682442864).

The spelling of 2140222452 in words is "two billion, one hundred forty million, two hundred twenty-two thousand, four hundred fifty-two".