5521225441 has 4 divisors (see below), whose sum is σ = 5522067712. Its totient is φ = 5520383172.

The previous prime is 5521225421. The next prime is 5521225453. The reversal of 5521225441 is 1445221255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5521225441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5521225421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411225 + ... + 424438.

It is an arithmetic number, because the mean of its divisors is an integer number (1380516928).

Almost surely, 2^5521225441 is an apocalyptic number.

It is an amenable number.

5521225441 is a deficient number, since it is larger than the sum of its proper divisors (842271).

5521225441 is an equidigital number, since it uses as much as digits as its factorization.

5521225441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842270.

The product of its digits is 16000, while the sum is 31.

The square root of 5521225441 is about 74304.9489670776. The cubic root of 5521225441 is about 1767.4419559385.

Adding to 5521225441 its reverse (1445221255), we get a palindrome (6966446696).

The spelling of 5521225441 in words is "five billion, five hundred twenty-one million, two hundred twenty-five thousand, four hundred forty-one".