2263135212 has 72 divisors (see below), whose sum is σ = 6192282096. Its totient is φ = 692786304.

The previous prime is 2263135103. The next prime is 2263135213. The reversal of 2263135212 is 2125313622.

It is a happy number.

2263135212 is a `hidden beast` number, since 2 + 2 + 631 + 3 + 5 + 21 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (2263135213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79923 + ... + 104469.

It is an arithmetic number, because the mean of its divisors is an integer number (86003918).

Almost surely, 2^2263135212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2263135212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3096141048).

2263135212 is an abundant number, since it is smaller than the sum of its proper divisors (3929146884).

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

2263135212 is a wasteful number, since it uses less digits than its factorization.

2263135212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24767 (or 24762 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2263135212 is about 47572.4207078009. The cubic root of 2263135212 is about 1312.9156765566.

Adding to 2263135212 its reverse (2125313622), we get a palindrome (4388448834).

The spelling of 2263135212 in words is "two billion, two hundred sixty-three million, one hundred thirty-five thousand, two hundred twelve".