22203100155 has 64 divisors (see below), whose sum is σ = 38009088000. Its totient is φ = 11028817920.

The previous prime is 22203100141. The next prime is 22203100159. The reversal of 22203100155 is 55100130222.

It is not a de Polignac number, because 22203100155 - 2⁶ = 22203100091 is a prime.

It is a super-2 number, since 2×22203100155² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22203100159) 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, 11815506 + ... + 11817384.

It is an arithmetic number, because the mean of its divisors is an integer number (593892000).

Almost surely, 2^22203100155 is an apocalyptic number.

22203100155 is a deficient number, since it is larger than the sum of its proper divisors (15805987845).

22203100155 is a wasteful number, since it uses less digits than its factorization.

22203100155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 22203100155 its reverse (55100130222), we get a palindrome (77303230377).

The spelling of 22203100155 in words is "twenty-two billion, two hundred three million, one hundred thousand, one hundred fifty-five".