2212031136 has 96 divisors (see below), whose sum is σ = 6688604160. Its totient is φ = 627008256.

The previous prime is 2212031117. The next prime is 2212031137. The reversal of 2212031136 is 6311302122.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2212031137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72385 + ... + 98303.

It is an arithmetic number, because the mean of its divisors is an integer number (69672960).

Almost surely, 2^2212031136 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 2212031136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3344302080).

2212031136 is an abundant number, since it is smaller than the sum of its proper divisors (4476573024).

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

2212031136 is a wasteful number, since it uses less digits than its factorization.

2212031136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26066 (or 26058 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2212031136 is about 47032.2350734047. The cubic root of 2212031136 is about 1302.9579854781.

Adding to 2212031136 its reverse (6311302122), we get a palindrome (8523333258).

The spelling of 2212031136 in words is "two billion, two hundred twelve million, thirty-one thousand, one hundred thirty-six".