654322266 has 64 divisors (see below), whose sum is σ = 1648348800. Its totient is φ = 190729728.

The previous prime is 654322243. The next prime is 654322289. The reversal of 654322266 is 662223456.

It is an interprime number because it is at equal distance from previous prime (654322243) and next prime (654322289).

It is a self number, because there is not a number n which added to its sum of digits gives 654322266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11191 + ... + 37866.

It is an arithmetic number, because the mean of its divisors is an integer number (25755450).

Almost surely, 2^654322266 is an apocalyptic number.

654322266 is an abundant number, since it is smaller than the sum of its proper divisors (994026534).

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

654322266 is a wasteful number, since it uses less digits than its factorization.

654322266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49100 (or 49094 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 654322266 is about 25579.7237279842. The cubic root of 654322266 is about 868.1549244941.

The spelling of 654322266 in words is "six hundred fifty-four million, three hundred twenty-two thousand, two hundred sixty-six".