2152222032 has 80 divisors (see below), whose sum is σ = 5947869312. Its totient is φ = 668221440.

The previous prime is 2152222003. The next prime is 2152222057. The reversal of 2152222032 is 2302222512.

It is a congruent number.

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, 65557 + ... + 92747.

Almost surely, 2^2152222032 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 2152222032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2973934656).

2152222032 is an abundant number, since it is smaller than the sum of its proper divisors (3795647280).

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

2152222032 is a wasteful number, since it uses less digits than its factorization.

2152222032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27316 (or 27310 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2152222032 is about 46392.0470770584. The cubic root of 2152222032 is about 1291.1073623479.

Adding to 2152222032 its reverse (2302222512), we get a palindrome (4454444544).

The spelling of 2152222032 in words is "two billion, one hundred fifty-two million, two hundred twenty-two thousand, thirty-two".