4102022561 has 32 divisors (see below), whose sum is σ = 5286919680. Its totient is φ = 3093387264.

The previous prime is 4102022543. The next prime is 4102022569. The reversal of 4102022561 is 1652202014.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4102022561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

4102022561 is a modest number, since divided by 22561 gives 4102 as remainder.

It is not an unprimeable number, because it can be changed into a prime (4102022569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 609905 + ... + 616593.

It is an arithmetic number, because the mean of its divisors is an integer number (165216240).

Almost surely, 2^4102022561 is an apocalyptic number.

It is an amenable number.

4102022561 is a deficient number, since it is larger than the sum of its proper divisors (1184897119).

4102022561 is a wasteful number, since it uses less digits than its factorization.

4102022561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4102022561 is about 64047.0339750406. The cubic root of 4102022561 is about 1600.7838036000.

Adding to 4102022561 its reverse (1652202014), we get a palindrome (5754224575).

The spelling of 4102022561 in words is "four billion, one hundred two million, twenty-two thousand, five hundred sixty-one".