22431001 has 8 divisors (see below), whose sum is σ = 23830400. Its totient is φ = 21053520.

The previous prime is 22430987. The next prime is 22431047. The reversal of 22431001 is 10013422.

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

It is not a de Polignac number, because 22431001 - 2⁹ = 22430489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22432001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3345 + ... + 7486.

It is an arithmetic number, because the mean of its divisors is an integer number (2978800).

Almost surely, 2^22431001 is an apocalyptic number.

It is an amenable number.

22431001 is a deficient number, since it is larger than the sum of its proper divisors (1399399).

22431001 is a wasteful number, since it uses less digits than its factorization.

22431001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10959.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 22431001 is about 4736.1377724893. The cubic root of 22431001 is about 282.0219329721.

Adding to 22431001 its reverse (10013422), we get a palindrome (32444423).

The spelling of 22431001 in words is "twenty-two million, four hundred thirty-one thousand, one".