229542421682 has 18 divisors (see below), whose sum is σ = 400536379197. Its totient is φ = 98373290904.

The previous prime is 229542421649. The next prime is 229542421687. The reversal of 229542421682 is 286124245922.

It can be written as a sum of positive squares in 2 ways, for example, as 207171535921 + 22370885761 = 455161^2 + 149569^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=338779.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229542421687) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4718708 + ... + 4767104.

Almost surely, 2^229542421682 is an apocalyptic number.

229542421682 is a deficient number, since it is larger than the sum of its proper divisors (170993957515).

229542421682 is an frugal number, since it uses more digits than its factorization.

229542421682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96810 (or 48406 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The spelling of 229542421682 in words is "two hundred twenty-nine billion, five hundred forty-two million, four hundred twenty-one thousand, six hundred eighty-two".