2222406120 has 128 divisors (see below), whose sum is σ = 7508090880. Its totient is φ = 521376000.

The previous prime is 2222406103. The next prime is 2222406127. The reversal of 2222406120 is 216042222.

2222406120 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2222406127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13765 + ... + 68075.

It is an arithmetic number, because the mean of its divisors is an integer number (58656960).

Almost surely, 2^2222406120 is an apocalyptic number.

2222406120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222406120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3754045440).

2222406120 is an abundant number, since it is smaller than the sum of its proper divisors (5285684760).

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

2222406120 is a wasteful number, since it uses less digits than its factorization.

2222406120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54367 (or 54363 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2222406120 is about 47142.4025692370. The cubic root of 2222406120 is about 1304.9918761697.

Adding to 2222406120 its reverse (216042222), we get a palindrome (2438448342).

The spelling of 2222406120 in words is "two billion, two hundred twenty-two million, four hundred six thousand, one hundred twenty".