22016426 has 8 divisors (see below), whose sum is σ = 33830244. Its totient is φ = 10739680.

The previous prime is 22016413. The next prime is 22016437. The reversal of 22016426 is 62461022.

It can be written as a sum of positive squares in 2 ways, for example, as 21855625 + 160801 = 4675^2 + 401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134165 + ... + 134328.

Almost surely, 2^22016426 is an apocalyptic number.

22016426 is a deficient number, since it is larger than the sum of its proper divisors (11813818).

22016426 is a wasteful number, since it uses less digits than its factorization.

22016426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268536.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22016426 is about 4692.1664505855. The cubic root of 22016426 is about 280.2736525319.

Adding to 22016426 its reverse (62461022), we get a palindrome (84477448).

The spelling of 22016426 in words is "twenty-two million, sixteen thousand, four hundred twenty-six".