561435222 has 16 divisors (see below), whose sum is σ = 1150258032. Its totient is φ = 182580480.

The previous prime is 561435197. The next prime is 561435223. The reversal of 561435222 is 222534165.

561435222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 561435222.

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, 1140883 + ... + 1141374.

It is an arithmetic number, because the mean of its divisors is an integer number (71891127).

Almost surely, 2^561435222 is an apocalyptic number.

561435222 is an abundant number, since it is smaller than the sum of its proper divisors (588822810).

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

561435222 is a wasteful number, since it uses less digits than its factorization.

561435222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282303.

The product of its digits is 14400, while the sum is 30.

The square root of 561435222 is about 23694.6243270494. The cubic root of 561435222 is about 824.9606210772.

Adding to 561435222 its reverse (222534165), we get a palindrome (783969387).

The spelling of 561435222 in words is "five hundred sixty-one million, four hundred thirty-five thousand, two hundred twenty-two".