561022 has 16 divisors (see below), whose sum is σ = 1049472. Its totient is φ = 218520.

The previous prime is 561019. The next prime is 561047. The reversal of 561022 is 220165.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 560987 and 561005.

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, 1668 + ... + 1975.

It is an arithmetic number, because the mean of its divisors is an integer number (65592).

2⁵⁶¹⁰²² is an apocalyptic number.

561022 is a deficient number, since it is larger than the sum of its proper divisors (488450).

561022 is a wasteful number, since it uses less digits than its factorization.

561022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 561022 is about 749.0140185604. The cubic root of 561022 is about 82.4758178283.

Adding to 561022 its reverse (220165), we get a palindrome (781187).

The spelling of 561022 in words is "five hundred sixty-one thousand, twenty-two".