22723806 has 48 divisors (see below), whose sum is σ = 53764992. Its totient is φ = 6271920.

The previous prime is 22723801. The next prime is 22723807. The reversal of 22723806 is 60832722.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22723801) 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, 40081 + ... + 40643.

It is an arithmetic number, because the mean of its divisors is an integer number (1120104).

Almost surely, 2^22723806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22723806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26882496).

22723806 is an abundant number, since it is smaller than the sum of its proper divisors (31041186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22723806 is a wasteful number, since it uses less digits than its factorization.

22723806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 22723806 is about 4766.9493389378. The cubic root of 22723806 is about 283.2437643831.

The spelling of 22723806 in words is "twenty-two million, seven hundred twenty-three thousand, eight hundred six".