22706423 has 4 divisors (see below), whose sum is σ = 22837848. Its totient is φ = 22575000.

The previous prime is 22706401. The next prime is 22706429. The reversal of 22706423 is 32460722.

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 22706423 - 2²⁴ = 5929207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22706392 and 22706401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22706429) 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, 65453 + ... + 65798.

It is an arithmetic number, because the mean of its divisors is an integer number (5709462).

Almost surely, 2^22706423 is an apocalyptic number.

22706423 is a deficient number, since it is larger than the sum of its proper divisors (131425).

22706423 is a wasteful number, since it uses less digits than its factorization.

22706423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131424.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 22706423 is about 4765.1257066315. The cubic root of 22706423 is about 283.1715217555.

The spelling of 22706423 in words is "twenty-two million, seven hundred six thousand, four hundred twenty-three".