561222063 has 24 divisors (see below), whose sum is σ = 832824720. Its totient is φ = 363968640.

The previous prime is 561222043. The next prime is 561222073. The reversal of 561222063 is 360222165.

561222063 is a `hidden beast` number, since 561 + 22 + 20 + 63 = 666.

It is not a de Polignac number, because 561222063 - 2¹² = 561217967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561222023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137845 + ... + 141857.

It is an arithmetic number, because the mean of its divisors is an integer number (34701030).

Almost surely, 2^561222063 is an apocalyptic number.

561222063 is a deficient number, since it is larger than the sum of its proper divisors (271602657).

561222063 is a wasteful number, since it uses less digits than its factorization.

561222063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4439 (or 4436 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 561222063 is about 23690.1258544567. The cubic root of 561222063 is about 824.8562041392.

It can be divided in two parts, 56122 and 2063, that added together give a palindrome (58185).

The spelling of 561222063 in words is "five hundred sixty-one million, two hundred twenty-two thousand, sixty-three".