4105221551 has 4 divisors (see below), whose sum is σ = 4105693704. Its totient is φ = 4104749400.

The previous prime is 4105221467. The next prime is 4105221553. The reversal of 4105221551 is 1551225014.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4105221551 - 2³⁰ = 3031479727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4105221551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4105221553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222785 + ... + 240506.

It is an arithmetic number, because the mean of its divisors is an integer number (1026423426).

Almost surely, 2^4105221551 is an apocalyptic number.

4105221551 is a deficient number, since it is larger than the sum of its proper divisors (472153).

4105221551 is an equidigital number, since it uses as much as digits as its factorization.

4105221551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472152.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 4105221551 is about 64072.0028639655. The cubic root of 4105221551 is about 1601.1998228273.

Adding to 4105221551 its reverse (1551225014), we get a palindrome (5656446565).

The spelling of 4105221551 in words is "four billion, one hundred five million, two hundred twenty-one thousand, five hundred fifty-one".