22202426 has 8 divisors (see below), whose sum is σ = 33633684. Its totient is φ = 10991200.

The previous prime is 22202423. The next prime is 22202437. The reversal of 22202426 is 62420222.

It can be written as a sum of positive squares in 2 ways, for example, as 21390625 + 811801 = 4625^2 + 901^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22202398 and 22202407.

It is not an unprimeable number, because it can be changed into a prime (22202423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54755 + ... + 55158.

Almost surely, 2^22202426 is an apocalyptic number.

22202426 is a deficient number, since it is larger than the sum of its proper divisors (11431258).

22202426 is a wasteful number, since it uses less digits than its factorization.

22202426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110016.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 22202426 is about 4711.9450336353. The cubic root of 22202426 is about 281.0607130626.

Adding to 22202426 its reverse (62420222), we get a palindrome (84622648).

The spelling of 22202426 in words is "twenty-two million, two hundred two thousand, four hundred twenty-six".