229662783840 has 384 divisors, whose sum is σ = 876546800640. Its totient is φ = 49342906368.

The previous prime is 229662783829. The next prime is 229662783851. The reversal of 229662783840 is 48387266922.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (229662783829) and next prime (229662783851).

It is a super-2 number, since 2×229662783840² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 54433251 + ... + 54437469.

It is an arithmetic number, because the mean of its divisors is an integer number (2282673960).

Almost surely, 2^229662783840 is an apocalyptic number.

229662783840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229662783840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438273400320).

229662783840 is an abundant number, since it is smaller than the sum of its proper divisors (646884016800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229662783840 is a wasteful number, since it uses less digits than its factorization.

229662783840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5214 (or 5206 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 229662783840 in words is "two hundred twenty-nine billion, six hundred sixty-two million, seven hundred eighty-three thousand, eight hundred forty".