2013222891 has 16 divisors (see below), whose sum is σ = 2841442560. Its totient is φ = 1265728800.

The previous prime is 2013222889. The next prime is 2013222931. The reversal of 2013222891 is 1982223102.

It is not a de Polignac number, because 2013222891 - 2¹ = 2013222889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2013222091) 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, 265335 + ... + 272816.

It is an arithmetic number, because the mean of its divisors is an integer number (177590160).

Almost surely, 2^2013222891 is an apocalyptic number.

2013222891 is a deficient number, since it is larger than the sum of its proper divisors (828219669).

2013222891 is a wasteful number, since it uses less digits than its factorization.

2013222891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538226.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2013222891 is about 44868.9524170110. The cubic root of 2013222891 is about 1262.6915862046.

Adding to 2013222891 its reverse (1982223102), we get a palindrome (3995445993).

The spelling of 2013222891 in words is "two billion, thirteen million, two hundred twenty-two thousand, eight hundred ninety-one".