2230312256929 has 3 divisors (see below), whose sum is σ = 2230313750353. Its totient is φ = 2230310763506.

The previous prime is 2230312256917. The next prime is 2230312256941. The reversal of 2230312256929 is 9296522130322.

It is a happy number.

The square root of 2230312256929 is 1493423.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (2230312256917) and next prime (2230312256941).

It is not a de Polignac number, because 2230312256929 - 2¹¹ = 2230312254881 is a prime.

It is a super-2 number, since 2×2230312256929² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2230312251929) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 746712 + ... + 2240134.

Almost surely, 2^{2230312256929} is an apocalyptic number.

2230312256929 is the 1493423-rd square number.

2230312256929 is the 746712-nd centered octagonal number.

It is an amenable number.

2230312256929 is a deficient number, since it is larger than the sum of its proper divisors (1493424).

2230312256929 is an frugal number, since it uses more digits than its factorization.

2230312256929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986846 (or 1493423 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 2230312256929 in words is "two trillion, two hundred thirty billion, three hundred twelve million, two hundred fifty-six thousand, nine hundred twenty-nine".