22489989121 has 4 divisors (see below), whose sum is σ = 22550284372. Its totient is φ = 22429693872.

The previous prime is 22489989097. The next prime is 22489989131. The reversal of 22489989121 is 12198998422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4228250625 + 18261738496 = 65025^2 + 135136^2 .

It is a cyclic number.

It is not a de Polignac number, because 22489989121 - 2³³ = 13900054529 is a prime.

It is a super-2 number, since 2×22489989121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22489989131) 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, 30147066 + ... + 30147811.

It is an arithmetic number, because the mean of its divisors is an integer number (5637571093).

Almost surely, 2^22489989121 is an apocalyptic number.

It is an amenable number.

22489989121 is a deficient number, since it is larger than the sum of its proper divisors (60295251).

22489989121 is an equidigital number, since it uses as much as digits as its factorization.

22489989121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60295250.

The product of its digits is 1492992, while the sum is 55.

The spelling of 22489989121 in words is "twenty-two billion, four hundred eighty-nine million, nine hundred eighty-nine thousand, one hundred twenty-one".