229419972180 has 288 divisors, whose sum is σ = 799828463616. Its totient is φ = 52142807808.

The previous prime is 229419972179. The next prime is 229419972181. The reversal of 229419972180 is 81279914922.

It is a happy number.

229419972180 is a `hidden beast` number, since 2 + 2 + 9 + 419 + 9 + 7 + 218 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (229419972179) and next prime (229419972181).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229419972181) 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 95 ways as a sum of consecutive naturals, for example, 252943287 + ... + 252944193.

Almost surely, 2^229419972180 is an apocalyptic number.

229419972180 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 229419972180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399914231808).

229419972180 is an abundant number, since it is smaller than the sum of its proper divisors (570408491436).

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

229419972180 is a wasteful number, since it uses less digits than its factorization.

229419972180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843 (or 1838 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 229419972180 in words is "two hundred twenty-nine billion, four hundred nineteen million, nine hundred seventy-two thousand, one hundred eighty".