22398446 has 8 divisors (see below), whose sum is σ = 38397360. Its totient is φ = 9599328.

The previous prime is 22398437. The next prime is 22398451. The reversal of 22398446 is 64489322.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799931 + ... + 799958.

It is an arithmetic number, because the mean of its divisors is an integer number (4799670).

Almost surely, 2^22398446 is an apocalyptic number.

22398446 is a deficient number, since it is larger than the sum of its proper divisors (15998914).

22398446 is a wasteful number, since it uses less digits than its factorization.

22398446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599898.

The product of its digits is 82944, while the sum is 38.

The square root of 22398446 is about 4732.6996524183. The cubic root of 22398446 is about 281.8854303805.

The spelling of 22398446 in words is "twenty-two million, three hundred ninety-eight thousand, four hundred forty-six".