2011227456 has 112 divisors (see below), whose sum is σ = 6346082304. Its totient is φ = 549643776.

The previous prime is 2011227419. The next prime is 2011227461. The reversal of 2011227456 is 6547221102.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1620 + ... + 63443.

Almost surely, 2^2011227456 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 2011227456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3173041152).

2011227456 is an abundant number, since it is smaller than the sum of its proper divisors (4334854848).

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

2011227456 is a wasteful number, since it uses less digits than its factorization.

2011227456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65108 (or 65098 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2011227456 is about 44846.7106486083. The cubic root of 2011227456 is about 1262.2742699522.

Adding to 2011227456 its reverse (6547221102), we get a palindrome (8558448558).

The spelling of 2011227456 in words is "two billion, eleven million, two hundred twenty-seven thousand, four hundred fifty-six".