222023120 has 80 divisors (see below), whose sum is σ = 567070848. Its totient is φ = 80171520.

The previous prime is 222023093. The next prime is 222023129. The reversal of 222023120 is 21320222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 222023095 and 222023104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222023129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137357 + ... + 138963.

Almost surely, 2^222023120 is an apocalyptic number.

222023120 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 222023120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283535424).

222023120 is an abundant number, since it is smaller than the sum of its proper divisors (345047728).

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

222023120 is a wasteful number, since it uses less digits than its factorization.

222023120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788 (or 1782 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 222023120 is about 14900.4402619520. The cubic root of 222023120 is about 605.5259138511.

Adding to 222023120 its reverse (21320222), we get a palindrome (243343342).

The spelling of 222023120 in words is "two hundred twenty-two million, twenty-three thousand, one hundred twenty".