2243157566 has 16 divisors (see below), whose sum is σ = 3652099584. Its totient is φ = 1027149984.

The previous prime is 2243157563. The next prime is 2243157571. The reversal of 2243157566 is 6657513422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243157563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336365 + ... + 342968.

It is an arithmetic number, because the mean of its divisors is an integer number (228256224).

Almost surely, 2^2243157566 is an apocalyptic number.

2243157566 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2243157566 is a deficient number, since it is larger than the sum of its proper divisors (1408942018).

2243157566 is a wasteful number, since it uses less digits than its factorization.

2243157566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679475.

The product of its digits is 302400, while the sum is 41.

The square root of 2243157566 is about 47361.9843967712. The cubic root of 2243157566 is about 1309.0410335039.

It can be divided in two parts, 22431 and 57566, that added together give a palindrome (79997).

The spelling of 2243157566 in words is "two billion, two hundred forty-three million, one hundred fifty-seven thousand, five hundred sixty-six".