4155303222 has 96 divisors (see below), whose sum is σ = 10664110080. Its totient is φ = 1144140480.

The previous prime is 4155303203. The next prime is 4155303223. The reversal of 4155303222 is 2223035514.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155303223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3766723 + ... + 3767825.

It is an arithmetic number, because the mean of its divisors is an integer number (111084480).

Almost surely, 2^4155303222 is an apocalyptic number.

4155303222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4155303222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5332055040).

4155303222 is an abundant number, since it is smaller than the sum of its proper divisors (6508806858).

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

4155303222 is a wasteful number, since it uses less digits than its factorization.

4155303222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178 (or 2175 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 4155303222 is about 64461.6414777036. The cubic root of 4155303222 is about 1607.6848044674.

Adding to 4155303222 its reverse (2223035514), we get a palindrome (6378338736).

The spelling of 4155303222 in words is "four billion, one hundred fifty-five million, three hundred three thousand, two hundred twenty-two".