426226664 has 32 divisors (see below), whose sum is σ = 830010720. Its totient is φ = 205039296.

The previous prime is 426226651. The next prime is 426226711. The reversal of 426226664 is 466622624.

It is a happy number.

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, 13802 + ... + 32294.

It is an arithmetic number, because the mean of its divisors is an integer number (25937835).

Almost surely, 2^426226664 is an apocalyptic number.

It is an amenable number.

426226664 is a deficient number, since it is larger than the sum of its proper divisors (403784056).

426226664 is a wasteful number, since it uses less digits than its factorization.

426226664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18609 (or 18605 counting only the distinct ones).

The product of its digits is 165888, while the sum is 38.

The square root of 426226664 is about 20645.2576636864. The cubic root of 426226664 is about 752.5699476191.

The spelling of 426226664 in words is "four hundred twenty-six million, two hundred twenty-six thousand, six hundred sixty-four".