22489133378 has 4 divisors (see below), whose sum is σ = 33733700070. Its totient is φ = 11244566688.

The previous prime is 22489133377. The next prime is 22489133389. The reversal of 22489133378 is 87333198422.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 22011579769 + 477553609 = 148363^2 + 21853^2 .

It is a super-2 number, since 2×22489133378² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22489133377) 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 as a sum of consecutive naturals, namely, 5622283343 + ... + 5622283346.

Almost surely, 2^22489133378 is an apocalyptic number.

22489133378 is a deficient number, since it is larger than the sum of its proper divisors (11244566692).

22489133378 is a wasteful number, since it uses less digits than its factorization.

22489133378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11244566691.

The product of its digits is 1741824, while the sum is 50.

The spelling of 22489133378 in words is "twenty-two billion, four hundred eighty-nine million, one hundred thirty-three thousand, three hundred seventy-eight".