22016726 has 4 divisors (see below), whose sum is σ = 33025092. Its totient is φ = 11008362.

The previous prime is 22016723. The next prime is 22016749. The reversal of 22016726 is 62761022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62761022 = 2 ⋅31380511.

It is a junction number, because it is equal to n+sod(n) for n = 22016695 and 22016704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22016723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5504180 + ... + 5504183.

It is an arithmetic number, because the mean of its divisors is an integer number (8256273).

Almost surely, 2^22016726 is an apocalyptic number.

22016726 is a deficient number, since it is larger than the sum of its proper divisors (11008366).

22016726 is a wasteful number, since it uses less digits than its factorization.

22016726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11008365.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 22016726 is about 4692.1984186520. The cubic root of 22016726 is about 280.2749255468.

Adding to 22016726 its reverse (62761022), we get a palindrome (84777748).

The spelling of 22016726 in words is "twenty-two million, sixteen thousand, seven hundred twenty-six".