561430226 has 16 divisors (see below), whose sum is σ = 966451200. Its totient is φ = 239613120.

The previous prime is 561430223. The next prime is 561430229. The reversal of 561430226 is 622034165.

It is an interprime number because it is at equal distance from previous prime (561430223) and next prime (561430229).

It is a super-2 number, since 2×561430226² = 630407797332822152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (561430223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79826 + ... + 86573.

It is an arithmetic number, because the mean of its divisors is an integer number (60403200).

Almost surely, 2^561430226 is an apocalyptic number.

561430226 is a deficient number, since it is larger than the sum of its proper divisors (405020974).

561430226 is a wasteful number, since it uses less digits than its factorization.

561430226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166649.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 561430226 is about 23694.5189020583. The cubic root of 561430226 is about 824.9581740656.

The spelling of 561430226 in words is "five hundred sixty-one million, four hundred thirty thousand, two hundred twenty-six".