2120022222 has 16 divisors (see below), whose sum is σ = 4261353600. Its totient is φ = 703122552.

The previous prime is 2120022221. The next prime is 2120022227. The reversal of 2120022222 is 2222200212.

2120022222 is a modest number, since divided by 22222 gives 21200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120022221) 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, 886588 + ... + 888975.

It is an arithmetic number, because the mean of its divisors is an integer number (266334600).

Almost surely, 2^2120022222 is an apocalyptic number.

2120022222 is an abundant number, since it is smaller than the sum of its proper divisors (2141331378).

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

2120022222 is a wasteful number, since it uses less digits than its factorization.

2120022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775767.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2120022222 is about 46043.6990477525. The cubic root of 2120022222 is about 1284.6361462321.

Adding to 2120022222 its reverse (2222200212), we get a palindrome (4342222434).

The spelling of 2120022222 in words is "two billion, one hundred twenty million, twenty-two thousand, two hundred twenty-two".