229311057812 has 48 divisors (see below), whose sum is σ = 407611008000. Its totient is φ = 112868849280.

The previous prime is 229311057761. The next prime is 229311057863. The reversal of 229311057812 is 218750113922.

It is an interprime number because it is at equal distance from previous prime (229311057761) and next prime (229311057863).

It is a super-2 number, since 2×229311057812² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 229311057812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34125389 + ... + 34132107.

It is an arithmetic number, because the mean of its divisors is an integer number (8491896000).

Almost surely, 2^229311057812 is an apocalyptic number.

It is an amenable number.

229311057812 is a deficient number, since it is larger than the sum of its proper divisors (178299950188).

229311057812 is a wasteful number, since it uses less digits than its factorization.

229311057812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7376 (or 7374 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 229311057812 in words is "two hundred twenty-nine billion, three hundred eleven million, fifty-seven thousand, eight hundred twelve".