2011522434 has 16 divisors (see below), whose sum is σ = 4024301088. Its totient is φ = 670298112.

The previous prime is 2011522313. The next prime is 2011522439. The reversal of 2011522434 is 4342251102.

It is not an unprimeable number, because it can be changed into a prime (2011522439) 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 7 ways as a sum of consecutive naturals, for example, 30847 + ... + 70530.

It is an arithmetic number, because the mean of its divisors is an integer number (251518818).

Almost surely, 2^2011522434 is an apocalyptic number.

2011522434 is an abundant number, since it is smaller than the sum of its proper divisors (2012778654).

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

2011522434 is a wasteful number, since it uses less digits than its factorization.

2011522434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104689.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2011522434 is about 44849.9992642140. Note that the first 3 decimals coincide. The cubic root of 2011522434 is about 1262.3359776980.

Adding to 2011522434 its reverse (4342251102), we get a palindrome (6353773536).

The spelling of 2011522434 in words is "two billion, eleven million, five hundred twenty-two thousand, four hundred thirty-four".