22441031989 has 4 divisors (see below), whose sum is σ = 23416729056. Its totient is φ = 21465334924.

The previous prime is 22441031959. The next prime is 22441032007. The reversal of 22441031989 is 98913014422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22441031989 - 2²³ = 22432643381 is a prime.

It is a super-2 number, since 2×22441031989² (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 (22441031929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487848499 + ... + 487848544.

It is an arithmetic number, because the mean of its divisors is an integer number (5854182264).

Almost surely, 2^22441031989 is an apocalyptic number.

It is an amenable number.

22441031989 is a deficient number, since it is larger than the sum of its proper divisors (975697067).

22441031989 is an equidigital number, since it uses as much as digits as its factorization.

22441031989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975697066.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 22441031989 in words is "twenty-two billion, four hundred forty-one million, thirty-one thousand, nine hundred eighty-nine".