2215153412 has 24 divisors (see below), whose sum is σ = 4010415192. Its totient is φ = 1069856000.

The previous prime is 2215153403. The next prime is 2215153417. The reversal of 2215153412 is 2143515122.

It can be written as a sum of positive squares in 4 ways, for example, as 332114176 + 1883039236 = 18224^2 + 43394^2 .

It is not an unprimeable number, because it can be changed into a prime (2215153417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50303 + ... + 83430.

It is an arithmetic number, because the mean of its divisors is an integer number (167100633).

Almost surely, 2^2215153412 is an apocalyptic number.

It is an amenable number.

2215153412 is a deficient number, since it is larger than the sum of its proper divisors (1795261780).

2215153412 is a wasteful number, since it uses less digits than its factorization.

2215153412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133879 (or 133877 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 2215153412 is about 47065.4163053935. The cubic root of 2215153412 is about 1303.5707378333.

Adding to 2215153412 its reverse (2143515122), we get a palindrome (4358668534).

The spelling of 2215153412 in words is "two billion, two hundred fifteen million, one hundred fifty-three thousand, four hundred twelve".