561011224 has 16 divisors (see below), whose sum is σ = 1058958000. Its totient is φ = 278622432.

The previous prime is 561011207. The next prime is 561011249. The reversal of 561011224 is 422110165.

It is a junction number, because it is equal to n+sod(n) for n = 561011195 and 561011204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234132 + ... + 236515.

It is an arithmetic number, because the mean of its divisors is an integer number (66184875).

Almost surely, 2^561011224 is an apocalyptic number.

It is an amenable number.

561011224 is a deficient number, since it is larger than the sum of its proper divisors (497946776).

561011224 is a wasteful number, since it uses less digits than its factorization.

561011224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470802 (or 470798 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 561011224 is about 23685.6755022946. The cubic root of 561011224 is about 824.7528976517.

Adding to 561011224 its reverse (422110165), we get a palindrome (983121389).

The spelling of 561011224 in words is "five hundred sixty-one million, eleven thousand, two hundred twenty-four".