2011220022 has 16 divisors (see below), whose sum is σ = 4597074432. Its totient is φ = 574634280.

The previous prime is 2011220011. The next prime is 2011220023. The reversal of 2011220022 is 2200221102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011220023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23943054 + ... + 23943137.

It is an arithmetic number, because the mean of its divisors is an integer number (287317152).

Almost surely, 2^2011220022 is an apocalyptic number.

2011220022 is an abundant number, since it is smaller than the sum of its proper divisors (2585854410).

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

2011220022 is a wasteful number, since it uses less digits than its factorization.

2011220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47886203.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2011220022 is about 44846.6277661989. The cubic root of 2011220022 is about 1262.2727147231.

Adding to 2011220022 its reverse (2200221102), we get a palindrome (4211441124).

The spelling of 2011220022 in words is "two billion, eleven million, two hundred twenty thousand, twenty-two".