22450426 has 8 divisors (see below), whose sum is σ = 33902100. Its totient is φ = 11149728.

The previous prime is 22450423. The next prime is 22450433. The reversal of 22450426 is 62405422.

It can be written as a sum of positive squares in 2 ways, for example, as 21613201 + 837225 = 4649^2 + 915^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 22450426.

It is not an unprimeable number, because it can be changed into a prime (22450423) 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 3 ways as a sum of consecutive naturals, for example, 37371 + ... + 37966.

Almost surely, 2^22450426 is an apocalyptic number.

22450426 is a deficient number, since it is larger than the sum of its proper divisors (11451674).

22450426 is a wasteful number, since it uses less digits than its factorization.

22450426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75488.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 22450426 is about 4738.1880502994. The cubic root of 22450426 is about 282.1033187802.

Adding to 22450426 its reverse (62405422), we get a palindrome (84855848).

The spelling of 22450426 in words is "twenty-two million, four hundred fifty thousand, four hundred twenty-six".