22123045 has 8 divisors (see below), whose sum is σ = 30340224. Its totient is φ = 15170064.

The previous prime is 22123043. The next prime is 22123093. The reversal of 22123045 is 54032122.

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

It is not a de Polignac number, because 22123045 - 2¹ = 22123043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123043) 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, 316009 + ... + 316078.

It is an arithmetic number, because the mean of its divisors is an integer number (3792528).

Almost surely, 2^22123045 is an apocalyptic number.

It is an amenable number.

22123045 is a deficient number, since it is larger than the sum of its proper divisors (8217179).

22123045 is an equidigital number, since it uses as much as digits as its factorization.

22123045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632099.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22123045 is about 4703.5141118104. The cubic root of 22123045 is about 280.7253514676.

Adding to 22123045 its reverse (54032122), we get a palindrome (76155167).

The spelling of 22123045 in words is "twenty-two million, one hundred twenty-three thousand, forty-five".