2011422460 has 24 divisors (see below), whose sum is σ = 4446303120. Its totient is φ = 762223104.

The previous prime is 2011422443. The next prime is 2011422461. The reversal of 2011422460 is 642241102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011422461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2646229 + ... + 2646988.

It is an arithmetic number, because the mean of its divisors is an integer number (185262630).

Almost surely, 2^2011422460 is an apocalyptic number.

2011422460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011422460 is an abundant number, since it is smaller than the sum of its proper divisors (2434880660).

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

2011422460 is a wasteful number, since it uses less digits than its factorization.

2011422460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293245 (or 5293243 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2011422460 is about 44848.8847130004. The cubic root of 2011422460 is about 1262.3150643729.

Adding to 2011422460 its reverse (642241102), we get a palindrome (2653663562).

The spelling of 2011422460 in words is "two billion, eleven million, four hundred twenty-two thousand, four hundred sixty".