2231569967 has 12 divisors (see below), whose sum is σ = 2462688648. Its totient is φ = 2020590000.

The previous prime is 2231569943. The next prime is 2231569987. The reversal of 2231569967 is 7699651322.

It is a happy number.

It is not a de Polignac number, because 2231569967 - 2¹² = 2231565871 is a prime.

It is a super-3 number, since 3×2231569967³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231569987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6368 + ... + 67109.

It is an arithmetic number, because the mean of its divisors is an integer number (205224054).

Almost surely, 2^2231569967 is an apocalyptic number.

2231569967 is a deficient number, since it is larger than the sum of its proper divisors (231118681).

2231569967 is a wasteful number, since it uses less digits than its factorization.

2231569967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73750 (or 73739 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 50.

The square root of 2231569967 is about 47239.4958376992. The cubic root of 2231569967 is about 1306.7830799277.

The spelling of 2231569967 in words is "two billion, two hundred thirty-one million, five hundred sixty-nine thousand, nine hundred sixty-seven".