2152224520 has 16 divisors (see below), whose sum is σ = 4842505260. Its totient is φ = 860889792.

The previous prime is 2152224493. The next prime is 2152224533. The reversal of 2152224520 is 254222512.

It can be written as a sum of positive squares in 2 ways, for example, as 1905671716 + 246552804 = 43654^2 + 15702^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26902767 + ... + 26902846.

Almost surely, 2^2152224520 is an apocalyptic number.

2152224520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152224520 is an abundant number, since it is smaller than the sum of its proper divisors (2690280740).

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

2152224520 is a wasteful number, since it uses less digits than its factorization.

2152224520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53805624 (or 53805620 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2152224520 is about 46392.0738919915. The cubic root of 2152224520 is about 1291.1078598607.

The spelling of 2152224520 in words is "two billion, one hundred fifty-two million, two hundred twenty-four thousand, five hundred twenty".