2252142156 has 48 divisors (see below), whose sum is σ = 5752389888. Its totient is φ = 680126400.

The previous prime is 2252142131. The next prime is 2252142163. The reversal of 2252142156 is 6512412522.

2252142156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9561 + ... + 67791.

It is an arithmetic number, because the mean of its divisors is an integer number (119841456).

Almost surely, 2^2252142156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2252142156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2876194944).

2252142156 is an abundant number, since it is smaller than the sum of its proper divisors (3500247732).

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

2252142156 is a wasteful number, since it uses less digits than its factorization.

2252142156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58542 (or 58540 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 2252142156 is about 47456.7398374562. The cubic root of 2252142156 is about 1310.7864197854.

Adding to 2252142156 its reverse (6512412522), we get a palindrome (8764554678).

The spelling of 2252142156 in words is "two billion, two hundred fifty-two million, one hundred forty-two thousand, one hundred fifty-six".