2152234252 has 18 divisors (see below), whose sum is σ = 4381334412. Its totient is φ = 922386024.

The previous prime is 2152234219. The next prime is 2152234261. The reversal of 2152234252 is 2524322512.

It is a super-2 number, since 2×2152234252² = 9264224550963999008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 2152234252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5490198 + ... + 5490589.

Almost surely, 2^2152234252 is an apocalyptic number.

It is an amenable number.

2152234252 is an abundant number, since it is smaller than the sum of its proper divisors (2229100160).

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

2152234252 is a wasteful number, since it uses less digits than its factorization.

2152234252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10980805 (or 10980796 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 2152234252 is about 46392.1787804798. The cubic root of 2152234252 is about 1291.1098059158.

Adding to 2152234252 its reverse (2524322512), we get a palindrome (4676556764).

The spelling of 2152234252 in words is "two billion, one hundred fifty-two million, two hundred thirty-four thousand, two hundred fifty-two".