229086015785631 has 24 divisors (see below), whose sum is σ = 346810164554880. Its totient is φ = 145440294994896.

The previous prime is 229086015785597. The next prime is 229086015785689. The reversal of 229086015785631 is 136587510680922.

229086015785631 is a `hidden beast` number, since 2 + 2 + 9 + 0 + 8 + 6 + 0 + 1 + 578 + 56 + 3 + 1 = 666.

It is not a de Polignac number, because 229086015785631 - 2²⁷ = 229085881567903 is a prime.

It is a super-2 number, since 2×229086015785631² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229086015385631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2437608801 + ... + 2437702778.

It is an arithmetic number, because the mean of its divisors is an integer number (14450423523120).

Almost surely, 2^{229086015785631} is an apocalyptic number.

229086015785631 is a deficient number, since it is larger than the sum of its proper divisors (117724148769249).

229086015785631 is a wasteful number, since it uses less digits than its factorization.

229086015785631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4875311835 (or 4875311832 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 63.

The spelling of 229086015785631 in words is "two hundred twenty-nine trillion, eighty-six billion, fifteen million, seven hundred eighty-five thousand, six hundred thirty-one".