22120023 has 8 divisors (see below), whose sum is σ = 29588848. Its totient is φ = 14698944.

The previous prime is 22119989. The next prime is 22120031. The reversal of 22120023 is 32002122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22120023 - 2⁶ = 22119959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22119990 and 22120008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10840 + ... + 12717.

It is an arithmetic number, because the mean of its divisors is an integer number (3698606).

Almost surely, 2^22120023 is an apocalyptic number.

22120023 is a deficient number, since it is larger than the sum of its proper divisors (7468825).

22120023 is a wasteful number, since it uses less digits than its factorization.

22120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23873.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22120023 is about 4703.1928516700. The cubic root of 22120023 is about 280.7125685581.

Adding to 22120023 its reverse (32002122), we get a palindrome (54122145).

The spelling of 22120023 in words is "twenty-two million, one hundred twenty thousand, twenty-three".