22440249589 has 8 divisors (see below), whose sum is σ = 23393479680. Its totient is φ = 21501354000.

The previous prime is 22440249569. The next prime is 22440249607. The reversal of 22440249589 is 98594204422.

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 22440249589 - 2⁹ = 22440249077 is a prime.

It is a super-2 number, since 2×22440249589² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22440249569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3580429 + ... + 3586690.

It is an arithmetic number, because the mean of its divisors is an integer number (2924184960).

Almost surely, 2^22440249589 is an apocalyptic number.

It is an amenable number.

22440249589 is a deficient number, since it is larger than the sum of its proper divisors (953230091).

22440249589 is a wasteful number, since it uses less digits than its factorization.

22440249589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7167251.

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 22440249589 in words is "twenty-two billion, four hundred forty million, two hundred forty-nine thousand, five hundred eighty-nine".