561435224 has 32 divisors (see below), whose sum is σ = 1215490080. Its totient is φ = 238132224.

The previous prime is 561435223. The next prime is 561435233. The reversal of 561435224 is 422534165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561435223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46247 + ... + 57110.

It is an arithmetic number, because the mean of its divisors is an integer number (37984065).

Almost surely, 2^561435224 is an apocalyptic number.

It is an amenable number.

561435224 is an abundant number, since it is smaller than the sum of its proper divisors (654054856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561435224 is a wasteful number, since it uses less digits than its factorization.

561435224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103467 (or 103463 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 561435224 is about 23694.6243692530. The cubic root of 561435224 is about 824.9606220568.

Adding to 561435224 its reverse (422534165), we get a palindrome (983969389).

The spelling of 561435224 in words is "five hundred sixty-one million, four hundred thirty-five thousand, two hundred twenty-four".