2011223546 has 16 divisors (see below), whose sum is σ = 3156796800. Its totient is φ = 959202288.

The previous prime is 2011223527. The next prime is 2011223567. The reversal of 2011223546 is 6453221102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44381 + ... + 77408.

It is an arithmetic number, because the mean of its divisors is an integer number (197299800).

Almost surely, 2^2011223546 is an apocalyptic number.

2011223546 is a deficient number, since it is larger than the sum of its proper divisors (1145573254).

2011223546 is a wasteful number, since it uses less digits than its factorization.

2011223546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122173.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2011223546 is about 44846.6670556464. The cubic root of 2011223546 is about 1262.2734519616.

Adding to 2011223546 its reverse (6453221102), we get a palindrome (8464444648).

The spelling of 2011223546 in words is "two billion, eleven million, two hundred twenty-three thousand, five hundred forty-six".