22002446 has 8 divisors (see below), whose sum is σ = 33330744. Its totient is φ = 10892200.

The previous prime is 22002443. The next prime is 22002509. The reversal of 22002446 is 64420022.

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 (22002443) 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, 54260 + ... + 54663.

It is an arithmetic number, because the mean of its divisors is an integer number (4166343).

Almost surely, 2^22002446 is an apocalyptic number.

22002446 is a deficient number, since it is larger than the sum of its proper divisors (11328298).

22002446 is a wasteful number, since it uses less digits than its factorization.

22002446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109026.

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

The square root of 22002446 is about 4690.6764970524. The cubic root of 22002446 is about 280.2143172083.

Adding to 22002446 its reverse (64420022), we get a palindrome (86422468).

The spelling of 22002446 in words is "twenty-two million, two thousand, four hundred forty-six".