229420826544 has 320 divisors, whose sum is σ = 761471262720. Its totient is φ = 57893806080.

The previous prime is 229420826543. The next prime is 229420826549. The reversal of 229420826544 is 445628024922.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 229420826493 and 229420826502.

It is not an unprimeable number, because it can be changed into a prime (229420826543) 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 63 ways as a sum of consecutive naturals, for example, 12041794 + ... + 12060830.

It is an arithmetic number, because the mean of its divisors is an integer number (2379597696).

Almost surely, 2^229420826544 is an apocalyptic number.

229420826544 is a gapful number since it is divisible by the number (24) 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 229420826544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380735631360).

229420826544 is an abundant number, since it is smaller than the sum of its proper divisors (532050436176).

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

229420826544 is a wasteful number, since it uses less digits than its factorization.

229420826544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19188 (or 19182 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 48.

The spelling of 229420826544 in words is "two hundred twenty-nine billion, four hundred twenty million, eight hundred twenty-six thousand, five hundred forty-four".