22355426 has 4 divisors (see below), whose sum is σ = 33533142. Its totient is φ = 11177712.

The previous prime is 22355423. The next prime is 22355477. The reversal of 22355426 is 62455322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19811401 + 2544025 = 4451^2 + 1595^2 .

It is not an unprimeable number, because it can be changed into a prime (22355423) 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 as a sum of consecutive naturals, namely, 5588855 + ... + 5588858.

Almost surely, 2^22355426 is an apocalyptic number.

22355426 is a deficient number, since it is larger than the sum of its proper divisors (11177716).

22355426 is a wasteful number, since it uses less digits than its factorization.

22355426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11177715.

The product of its digits is 14400, while the sum is 29.

The square root of 22355426 is about 4728.1524933107. The cubic root of 22355426 is about 281.7048451841.

The spelling of 22355426 in words is "twenty-two million, three hundred fifty-five thousand, four hundred twenty-six".