22106023 has 4 divisors (see below), whose sum is σ = 22125240. Its totient is φ = 22086808.

The previous prime is 22106003. The next prime is 22106039. The reversal of 22106023 is 32060122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22106023 - 2⁵ = 22105991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22105988 and 22106006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22106003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7765 + ... + 10222.

It is an arithmetic number, because the mean of its divisors is an integer number (5531310).

Almost surely, 2^22106023 is an apocalyptic number.

22106023 is a deficient number, since it is larger than the sum of its proper divisors (19217).

22106023 is a wasteful number, since it uses less digits than its factorization.

22106023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19216.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 22106023 is about 4701.7042654765. The cubic root of 22106023 is about 280.6533340604.

Adding to 22106023 its reverse (32060122), we get a palindrome (54166145).

The spelling of 22106023 in words is "twenty-two million, one hundred six thousand, twenty-three".