22409023 has 24 divisors (see below), whose sum is σ = 28396032. Its totient is φ = 17527104.

The previous prime is 22409017. The next prime is 22409027. The reversal of 22409023 is 32090422.

It is not a de Polignac number, because 22409023 - 2⁹ = 22408511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22408985 and 22409003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22409027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80761 + ... + 81037.

It is an arithmetic number, because the mean of its divisors is an integer number (1183168).

Almost surely, 2^22409023 is an apocalyptic number.

22409023 is a deficient number, since it is larger than the sum of its proper divisors (5987009).

22409023 is a wasteful number, since it uses less digits than its factorization.

22409023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 22409023 is about 4733.8169588610. The cubic root of 22409023 is about 281.9297940685.

Adding to 22409023 its reverse (32090422), we get a palindrome (54499445).

The spelling of 22409023 in words is "twenty-two million, four hundred nine thousand, twenty-three".