2247564566 has 16 divisors (see below), whose sum is σ = 3635964528. Its totient is φ = 1035828000.

The previous prime is 2247564491. The next prime is 2247564607. The reversal of 2247564566 is 6654657422.

It is a self number, because there is not a number n which added to its sum of digits gives 2247564566.

It is a congruent 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, 44585 + ... + 80516.

It is an arithmetic number, because the mean of its divisors is an integer number (227247783).

Almost surely, 2^2247564566 is an apocalyptic number.

2247564566 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2247564566 is a deficient number, since it is larger than the sum of its proper divisors (1388399962).

2247564566 is a wasteful number, since it uses less digits than its factorization.

2247564566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125807.

The product of its digits is 2419200, while the sum is 47.

The square root of 2247564566 is about 47408.4862234600. The cubic root of 2247564566 is about 1309.8977380695.

The spelling of 2247564566 in words is "two billion, two hundred forty-seven million, five hundred sixty-four thousand, five hundred sixty-six".