2251152232 has 128 divisors (see below), whose sum is σ = 5271920640. Its totient is φ = 880197120.

The previous prime is 2251152227. The next prime is 2251152247. The reversal of 2251152232 is 2322511522.

2251152232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2251152197 and 2251152206.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2481523 + ... + 2482429.

It is an arithmetic number, because the mean of its divisors is an integer number (41186880).

Almost surely, 2^2251152232 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 2251152232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2635960320).

2251152232 is an abundant number, since it is smaller than the sum of its proper divisors (3020768408).

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

2251152232 is a wasteful number, since it uses less digits than its factorization.

2251152232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1027 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 2251152232 is about 47446.3089396847. The cubic root of 2251152232 is about 1310.5943405695.

Adding to 2251152232 its reverse (2322511522), we get a palindrome (4573663754).

The spelling of 2251152232 in words is "two billion, two hundred fifty-one million, one hundred fifty-two thousand, two hundred thirty-two".