5541222120 has 128 divisors (see below), whose sum is σ = 19512057600. Its totient is φ = 1232326656.

The previous prime is 5541222091. The next prime is 5541222151. The reversal of 5541222120 is 212221455.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58065 + ... + 120224.

It is an arithmetic number, because the mean of its divisors is an integer number (152437950).

Almost surely, 2^5541222120 is an apocalyptic number.

It is an amenable number.

5541222120 is an abundant number, since it is smaller than the sum of its proper divisors (13970835480).

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

5541222120 is a wasteful number, since it uses less digits than its factorization.

5541222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178347 (or 178343 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 5541222120 is about 74439.3855428697. The cubic root of 5541222120 is about 1769.5731486892.

Adding to 5541222120 its reverse (212221455), we get a palindrome (5753443575).

The spelling of 5541222120 in words is "five billion, five hundred forty-one million, two hundred twenty-two thousand, one hundred twenty".