561170226 has 16 divisors (see below), whose sum is σ = 1138148928. Its totient is φ = 184422000.

The previous prime is 561170161. The next prime is 561170243. The reversal of 561170226 is 622071165.

It is a junction number, because it is equal to n+sod(n) for n = 561170193 and 561170202.

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, 658225 + ... + 659076.

It is an arithmetic number, because the mean of its divisors is an integer number (71134308).

Almost surely, 2^561170226 is an apocalyptic number.

561170226 is an abundant number, since it is smaller than the sum of its proper divisors (576978702).

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

561170226 is a wasteful number, since it uses less digits than its factorization.

561170226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317377.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 561170226 is about 23689.0317657772. The cubic root of 561170226 is about 824.8308075447.

The spelling of 561170226 in words is "five hundred sixty-one million, one hundred seventy thousand, two hundred twenty-six".