22120433554 has 8 divisors (see below), whose sum is σ = 33191834940. Its totient is φ = 11056488576.

The previous prime is 22120433437. The next prime is 22120433557. The reversal of 22120433554 is 45533402122.

It can be written as a sum of positive squares in 2 ways, for example, as 12364328025 + 9756105529 = 111195^2 + 98773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22120433557) 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 3 ways as a sum of consecutive naturals, for example, 1856679 + ... + 1868554.

Almost surely, 2^22120433554 is an apocalyptic number.

22120433554 is a deficient number, since it is larger than the sum of its proper divisors (11071401386).

22120433554 is a wasteful number, since it uses less digits than its factorization.

22120433554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728204.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 22120433554 its reverse (45533402122), we get a palindrome (67653835676).

The spelling of 22120433554 in words is "twenty-two billion, one hundred twenty million, four hundred thirty-three thousand, five hundred fifty-four".