426224665 has 8 divisors (see below), whose sum is σ = 512071560. Its totient is φ = 340578432.

The previous prime is 426224651. The next prime is 426224677. The reversal of 426224665 is 566422624.

It can be written as a sum of positive squares in 4 ways, for example, as 73085401 + 353139264 = 8549^2 + 18792^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426224665 - 2²³ = 417836057 is a prime.

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, 45450 + ... + 54019.

It is an arithmetic number, because the mean of its divisors is an integer number (64008945).

Almost surely, 2^426224665 is an apocalyptic number.

It is an amenable number.

426224665 is a deficient number, since it is larger than the sum of its proper divisors (85846895).

426224665 is an equidigital number, since it uses as much as digits as its factorization.

426224665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100331.

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

The square root of 426224665 is about 20645.2092505743. The cubic root of 426224665 is about 752.5687711014.

The spelling of 426224665 in words is "four hundred twenty-six million, two hundred twenty-four thousand, six hundred sixty-five".