563222121 has 64 divisors (see below), whose sum is σ = 1011916800. Its totient is φ = 275278080.

The previous prime is 563222119. The next prime is 563222123. The reversal of 563222121 is 121222365.

It is an interprime number because it is at equal distance from previous prime (563222119) and next prime (563222123).

It is not a de Polignac number, because 563222121 - 2¹ = 563222119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 563222091 and 563222100.

It is not an unprimeable number, because it can be changed into a prime (563222123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 190960 + ... + 193886.

It is an arithmetic number, because the mean of its divisors is an integer number (15811200).

Almost surely, 2^563222121 is an apocalyptic number.

563222121 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

563222121 is a deficient number, since it is larger than the sum of its proper divisors (448694679).

563222121 is a wasteful number, since it uses less digits than its factorization.

563222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979 (or 2965 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 563222121 is about 23732.3012158535. The cubic root of 563222121 is about 825.8349042825.

Adding to 563222121 its reverse (121222365), we get a palindrome (684444486).

The spelling of 563222121 in words is "five hundred sixty-three million, two hundred twenty-two thousand, one hundred twenty-one".