2011222092 has 48 divisors (see below), whose sum is σ = 5284629504. Its totient is φ = 589800000.

The previous prime is 2011222091. The next prime is 2011222093. The reversal of 2011222092 is 2902221102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2011222091) and next prime (2011222093).

It is not an unprimeable number, because it can be changed into a prime (2011222091) 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, 241659 + ... + 249842.

It is an arithmetic number, because the mean of its divisors is an integer number (110096448).

Almost surely, 2^2011222092 is an apocalyptic number.

2011222092 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2011222092 is an abundant number, since it is smaller than the sum of its proper divisors (3273407412).

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

2011222092 is a wasteful number, since it uses less digits than its factorization.

2011222092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491550 (or 491548 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2011222092 is about 44846.6508448513. The cubic root of 2011222092 is about 1262.2731477776.

Adding to 2011222092 its reverse (2902221102), we get a palindrome (4913443194).

The spelling of 2011222092 in words is "two billion, eleven million, two hundred twenty-two thousand, ninety-two".