2152225320 has 128 divisors (see below), whose sum is σ = 7414640640. Its totient is φ = 489565440.

The previous prime is 2152225307. The next prime is 2152225333. The reversal of 2152225320 is 235222512.

It is an interprime number because it is at equal distance from previous prime (2152225307) and next prime (2152225333).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 171169 + ... + 183311.

It is an arithmetic number, because the mean of its divisors is an integer number (57926880).

Almost surely, 2^2152225320 is an apocalyptic number.

2152225320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2152225320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3707320320).

2152225320 is an abundant number, since it is smaller than the sum of its proper divisors (5262415320).

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

2152225320 is a wasteful number, since it uses less digits than its factorization.

2152225320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12375 (or 12371 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2152225320 is about 46392.0825141532. The cubic root of 2152225320 is about 1291.1080198325.

Adding to 2152225320 its reverse (235222512), we get a palindrome (2387447832).

The spelling of 2152225320 in words is "two billion, one hundred fifty-two million, two hundred twenty-five thousand, three hundred twenty".