22450022 has 8 divisors (see below), whose sum is σ = 38485776. Its totient is φ = 9621432.

The previous prime is 22450003. The next prime is 22450027. The reversal of 22450022 is 22005422.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22450027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 801773 + ... + 801800.

It is an arithmetic number, because the mean of its divisors is an integer number (4810722).

Almost surely, 2^22450022 is an apocalyptic number.

22450022 is a deficient number, since it is larger than the sum of its proper divisors (16035754).

22450022 is a wasteful number, since it uses less digits than its factorization.

22450022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603582.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 22450022 is about 4738.1454177769. The cubic root of 22450022 is about 282.1016266012.

Adding to 22450022 its reverse (22005422), we get a palindrome (44455444).

The spelling of 22450022 in words is "twenty-two million, four hundred fifty thousand, twenty-two".