22723064 has 72 divisors (see below), whose sum is σ = 53823960. Its totient is φ = 8989344.

The previous prime is 22723039. The next prime is 22723087. The reversal of 22723064 is 46032722.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1747922 + ... + 1747934.

It is an arithmetic number, because the mean of its divisors is an integer number (747555).

Almost surely, 2^22723064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22723064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26911980).

22723064 is an abundant number, since it is smaller than the sum of its proper divisors (31100896).

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

22723064 is an frugal number, since it uses more digits than its factorization.

22723064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 22 counting only the distinct ones).

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

The square root of 22723064 is about 4766.8715107500. The cubic root of 22723064 is about 283.2406814318.

Adding to 22723064 its reverse (46032722), we get a palindrome (68755786).

The spelling of 22723064 in words is "twenty-two million, seven hundred twenty-three thousand, sixty-four".