2042224561 has 12 divisors (see below), whose sum is σ = 2215840860. Its totient is φ = 1881347520.

The previous prime is 2042224553. The next prime is 2042224607. The reversal of 2042224561 is 1654222402.

It can be written as a sum of positive squares in 6 ways, for example, as 39125025 + 2003099536 = 6255^2 + 44756^2 .

It is not a de Polignac number, because 2042224561 - 2³ = 2042224553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042224661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74151 + ... + 97891.

It is an arithmetic number, because the mean of its divisors is an integer number (184653405).

Almost surely, 2^2042224561 is an apocalyptic number.

It is an amenable number.

2042224561 is a deficient number, since it is larger than the sum of its proper divisors (173616299).

2042224561 is a wasteful number, since it uses less digits than its factorization.

2042224561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24276 (or 24263 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2042224561 is about 45190.9787568271. The cubic root of 2042224561 is about 1268.7259757606.

Adding to 2042224561 its reverse (1654222402), we get a palindrome (3696446963).

The spelling of 2042224561 in words is "two billion, forty-two million, two hundred twenty-four thousand, five hundred sixty-one".