22390001 has 8 divisors (see below), whose sum is σ = 23656320. Its totient is φ = 21156688.

The previous prime is 22389959. The next prime is 22390007. The reversal of 22390001 is 10009322.

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

It is a cyclic number.

It is not a de Polignac number, because 22390001 - 2⁶ = 22389937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22390007) 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 7 ways as a sum of consecutive naturals, for example, 6851 + ... + 9576.

It is an arithmetic number, because the mean of its divisors is an integer number (2957040).

Almost surely, 2^22390001 is an apocalyptic number.

It is an amenable number.

22390001 is a deficient number, since it is larger than the sum of its proper divisors (1266319).

22390001 is a wasteful number, since it uses less digits than its factorization.

22390001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16503.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 22390001 is about 4731.8073713963. The cubic root of 22390001 is about 281.8499990281.

Adding to 22390001 its reverse (10009322), we get a palindrome (32399323).

The spelling of 22390001 in words is "twenty-two million, three hundred ninety thousand, one".