22725726 has 16 divisors (see below), whose sum is σ = 46560528. Its totient is φ = 7390400.

The previous prime is 22725721. The next prime is 22725757. The reversal of 22725726 is 62752722.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22725721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45945 + ... + 46436.

It is an arithmetic number, because the mean of its divisors is an integer number (2910033).

Almost surely, 2^22725726 is an apocalyptic number.

22725726 is an abundant number, since it is smaller than the sum of its proper divisors (23834802).

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

22725726 is a wasteful number, since it uses less digits than its factorization.

22725726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92427.

The product of its digits is 23520, while the sum is 33.

The square root of 22725726 is about 4767.1507213429. The cubic root of 22725726 is about 283.2517415196.

The spelling of 22725726 in words is "twenty-two million, seven hundred twenty-five thousand, seven hundred twenty-six".