2315255220 has 72 divisors (see below), whose sum is σ = 7030918440. Its totient is φ = 616700160.

The previous prime is 2315255207. The next prime is 2315255221. The reversal of 2315255220 is 225525132.

It can be written as a sum of positive squares in 4 ways, for example, as 562828176 + 1752427044 = 23724^2 + 41862^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315255221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162546 + ... + 176214.

It is an arithmetic number, because the mean of its divisors is an integer number (97651645).

Almost surely, 2^2315255220 is an apocalyptic number.

2315255220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315255220 is an abundant number, since it is smaller than the sum of its proper divisors (4715663220).

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

2315255220 is a wasteful number, since it uses less digits than its factorization.

2315255220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14625 (or 14620 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2315255220 is about 48117.0990397385. The cubic root of 2315255220 is about 1322.9180966123.

The spelling of 2315255220 in words is "two billion, three hundred fifteen million, two hundred fifty-five thousand, two hundred twenty".