22101023 has 8 divisors (see below), whose sum is σ = 25292448. Its totient is φ = 18918144.

The previous prime is 22100959. The next prime is 22101029. The reversal of 22101023 is 32010122.

It is a happy number.

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

It is not a de Polignac number, because 22101023 - 2⁶ = 22100959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22100995 and 22101013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101029) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5015 + ... + 8327.

It is an arithmetic number, because the mean of its divisors is an integer number (3161556).

Almost surely, 2^22101023 is an apocalyptic number.

22101023 is a deficient number, since it is larger than the sum of its proper divisors (3191425).

22101023 is an equidigital number, since it uses as much as digits as its factorization.

22101023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 22101023 is about 4701.1725133205. The cubic root of 22101023 is about 280.6321728218.

Adding to 22101023 its reverse (32010122), we get a palindrome (54111145).

Subtracting 22101023 from its reverse (32010122), we obtain a palindrome (9909099).

The spelling of 22101023 in words is "twenty-two million, one hundred one thousand, twenty-three".