22003032550155 has 64 divisors (see below), whose sum is σ = 37442863449600. Its totient is φ = 11001803304960.

The previous prime is 22003032550073. The next prime is 22003032550159. The reversal of 22003032550155 is 55105523030022.

It is not a de Polignac number, because 22003032550155 - 2²⁰ = 22003031501579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22003032550159) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 444202740 + ... + 444252270.

It is an arithmetic number, because the mean of its divisors is an integer number (585044741400).

Almost surely, 2^{22003032550155} is an apocalyptic number.

22003032550155 is a deficient number, since it is larger than the sum of its proper divisors (15439830899445).

22003032550155 is a wasteful number, since it uses less digits than its factorization.

22003032550155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65724.

The product of its (nonzero) digits is 45000, while the sum is 33.

Adding to 22003032550155 its reverse (55105523030022), we get a palindrome (77108555580177).

The spelling of 22003032550155 in words is "twenty-two trillion, three billion, thirty-two million, five hundred fifty thousand, one hundred fifty-five".