2215135252 has 12 divisors (see below), whose sum is σ = 4228894656. Its totient is φ = 1006879640.

The previous prime is 2215135183. The next prime is 2215135259. The reversal of 2215135252 is 2525315122.

It is a self number, because there is not a number n which added to its sum of digits gives 2215135252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215135259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25171948 + ... + 25172035.

It is an arithmetic number, because the mean of its divisors is an integer number (352407888).

Almost surely, 2^2215135252 is an apocalyptic number.

2215135252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2215135252 is a deficient number, since it is larger than the sum of its proper divisors (2013759404).

2215135252 is a wasteful number, since it uses less digits than its factorization.

2215135252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50343998 (or 50343996 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 2215135252 is about 47065.2233820259. The cubic root of 2215135252 is about 1303.5671755654.

The spelling of 2215135252 in words is "two billion, two hundred fifteen million, one hundred thirty-five thousand, two hundred fifty-two".