2152898228 has 12 divisors (see below), whose sum is σ = 4057385220. Its totient is φ = 993645312.

The previous prime is 2152898221. The next prime is 2152898249. The reversal of 2152898228 is 8228982512.

It can be written as a sum of positive squares in 2 ways, for example, as 250019344 + 1902878884 = 15812^2 + 43622^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152898221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20700893 + ... + 20700996.

It is an arithmetic number, because the mean of its divisors is an integer number (338115435).

Almost surely, 2^2152898228 is an apocalyptic number.

It is an amenable number.

2152898228 is a deficient number, since it is larger than the sum of its proper divisors (1904486992).

2152898228 is a wasteful number, since it uses less digits than its factorization.

2152898228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41401906 (or 41401904 counting only the distinct ones).

The product of its digits is 368640, while the sum is 47.

The square root of 2152898228 is about 46399.3343486736. The cubic root of 2152898228 is about 1291.2425637358.

The spelling of 2152898228 in words is "two billion, one hundred fifty-two million, eight hundred ninety-eight thousand, two hundred twenty-eight".