566226442 has 16 divisors (see below), whose sum is σ = 866000520. Its totient is φ = 277613568.

The previous prime is 566226433. The next prime is 566226457. The reversal of 566226442 is 244622665.

It can be written as a sum of positive squares in 4 ways, for example, as 429359841 + 136866601 = 20721^2 + 11699^2 .

It is a super-2 number, since 2×566226442² = 641224767239958728, which contains 22 as substring.

It is an unprimeable number.

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, 7758 + ... + 34534.

Almost surely, 2^566226442 is an apocalyptic number.

566226442 is a deficient number, since it is larger than the sum of its proper divisors (299774078).

566226442 is a wasteful number, since it uses less digits than its factorization.

566226442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26985.

The product of its digits is 138240, while the sum is 37.

The square root of 566226442 is about 23795.5130644414. The cubic root of 566226442 is about 827.3006816336.

The spelling of 566226442 in words is "five hundred sixty-six million, two hundred twenty-six thousand, four hundred forty-two".