23222213120 has 160 divisors (see below), whose sum is σ = 58447509120. Its totient is φ = 8831877120.

The previous prime is 23222213093. The next prime is 23222213137. The reversal of 23222213120 is 2131222232.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23222213092 and 23222213101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10656191 + ... + 10658369.

It is an arithmetic number, because the mean of its divisors is an integer number (365296932).

Almost surely, 2^23222213120 is an apocalyptic number.

23222213120 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 23222213120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29223754560).

23222213120 is an abundant number, since it is smaller than the sum of its proper divisors (35225296000).

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

23222213120 is a wasteful number, since it uses less digits than its factorization.

23222213120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406 (or 2390 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23222213120 its reverse (2131222232), we get a palindrome (25353435352).

The spelling of 23222213120 in words is "twenty-three billion, two hundred twenty-two million, two hundred thirteen thousand, one hundred twenty".