23220434224 has 40 divisors (see below), whose sum is σ = 49481208000. Its totient is φ = 10489095168.

The previous prime is 23220434219. The next prime is 23220434239. The reversal of 23220434224 is 42243402232.

It is a happy number.

It is a super-2 number, since 2×23220434224² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23220434192 and 23220434201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1177849 + ... + 1197400.

It is an arithmetic number, because the mean of its divisors is an integer number (1237030200).

Almost surely, 2^23220434224 is an apocalyptic number.

It is an amenable number.

23220434224 is an abundant number, since it is smaller than the sum of its proper divisors (26260773776).

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

23220434224 is a wasteful number, since it uses less digits than its factorization.

23220434224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375317 (or 2375311 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 23220434224 its reverse (42243402232), we get a palindrome (65463836456).

The spelling of 23220434224 in words is "twenty-three billion, two hundred twenty million, four hundred thirty-four thousand, two hundred twenty-four".