10022989 has 8 divisors (see below), whose sum is σ = 10263672. Its totient is φ = 9784320.

The previous prime is 10022977. The next prime is 10022993. The reversal of 10022989 is 98922001.

It can be written as a sum of positive squares in 4 ways, for example, as 2377764 + 7645225 = 1542^2 + 2765^2 .

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 10022989 - 2¹⁵ = 9990221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10022989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022939) 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, 14557 + ... + 15229.

It is an arithmetic number, because the mean of its divisors is an integer number (1282959).

Almost surely, 2^10022989 is an apocalyptic number.

It is an amenable number.

10022989 is a deficient number, since it is larger than the sum of its proper divisors (240683).

10022989 is an equidigital number, since it uses as much as digits as its factorization.

10022989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 10022989 is about 3165.9104535662. The cubic root of 10022989 is about 215.6084369830.

It can be divided in two parts, 10022 and 989, that added together give a palindrome (11011).

The spelling of 10022989 in words is "ten million, twenty-two thousand, nine hundred eighty-nine".