2472222222 has 48 divisors (see below), whose sum is σ = 5562490752. Its totient is φ = 822943800.

The previous prime is 2472222209. The next prime is 2472222239. The reversal of 2472222222 is 2222222742.

It is a happy number.

2472222222 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 a super-2 number, since 2×2472222222² = 12223765429901234568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

2472222222 is a modest number, since divided by 222222 gives 2472 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 398847 + ... + 404997.

It is an arithmetic number, because the mean of its divisors is an integer number (115885224).

Almost surely, 2^2472222222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2472222222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2781245376).

2472222222 is an abundant number, since it is smaller than the sum of its proper divisors (3090268530).

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

2472222222 is an equidigital number, since it uses as much as digits as its factorization.

2472222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6995 (or 6983 counting only the distinct ones).

The product of its digits is 7168, while the sum is 27.

The square root of 2472222222 is about 49721.4462983530. The cubic root of 2472222222 is about 1352.1633757816.

Adding to 2472222222 its reverse (2222222742), we get a palindrome (4694444964).

The spelling of 2472222222 in words is "two billion, four hundred seventy-two million, two hundred twenty-two thousand, two hundred twenty-two".