561332230 has 16 divisors (see below), whose sum is σ = 1035042624. Its totient is φ = 219056320.

The previous prime is 561332171. The next prime is 561332263. The reversal of 561332230 is 32233165.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 561332195 and 561332204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684142 + ... + 684961.

It is an arithmetic number, because the mean of its divisors is an integer number (64690164).

Almost surely, 2^561332230 is an apocalyptic number.

561332230 is a deficient number, since it is larger than the sum of its proper divisors (473710394).

561332230 is a wasteful number, since it uses less digits than its factorization.

561332230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369151.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 561332230 is about 23692.4509074093. The cubic root of 561332230 is about 824.9101732625.

Adding to 561332230 its reverse (32233165), we get a palindrome (593565395).

The spelling of 561332230 in words is "five hundred sixty-one million, three hundred thirty-two thousand, two hundred thirty".