224220321234 has 160 divisors (see below), whose sum is σ = 635076642816. Its totient is φ = 57536645760.

The previous prime is 224220321223. The next prime is 224220321277. The reversal of 224220321234 is 432123022422.

224220321234 is a `hidden beast` number, since 2 + 2 + 422 + 0 + 3 + 2 + 1 + 234 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 224220321198 and 224220321207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 339919 + ... + 750989.

Almost surely, 2^224220321234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224220321234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317538321408).

224220321234 is an abundant number, since it is smaller than the sum of its proper divisors (410856321582).

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

224220321234 is a wasteful number, since it uses less digits than its factorization.

224220321234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411142 (or 411133 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 224220321234 its reverse (432123022422), we get a palindrome (656343343656).

The spelling of 224220321234 in words is "two hundred twenty-four billion, two hundred twenty million, three hundred twenty-one thousand, two hundred thirty-four".