2252047140 has 72 divisors (see below), whose sum is σ = 7807101120. Its totient is φ = 514753344.

The previous prime is 2252047129. The next prime is 2252047199. The reversal of 2252047140 is 417402522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 892410 + ... + 894929.

It is an arithmetic number, because the mean of its divisors is an integer number (108431960).

Almost surely, 2^2252047140 is an apocalyptic number.

2252047140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2252047140 is an abundant number, since it is smaller than the sum of its proper divisors (5555053980).

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

2252047140 is a wasteful number, since it uses less digits than its factorization.

2252047140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787361 (or 1787356 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 2252047140 is about 47455.7387467522. The cubic root of 2252047140 is about 1310.7679858641.

Adding to 2252047140 its reverse (417402522), we get a palindrome (2669449662).

The spelling of 2252047140 in words is "two billion, two hundred fifty-two million, forty-seven thousand, one hundred forty".