22105103553 has 40 divisors (see below), whose sum is σ = 37653168168. Its totient is φ = 12802945536.

The previous prime is 22105103543. The next prime is 22105103561. The reversal of 22105103553 is 35530150122.

It is a happy number.

22105103553 is a `hidden beast` number, since 2 + 2 + 1 + 0 + 5 + 103 + 553 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7228910529 + 14876193024 = 85023^2 + 121968^2 .

It is not a de Polignac number, because 22105103553 - 2¹³ = 22105095361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22105103543) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 599526 + ... + 635327.

Almost surely, 2^22105103553 is an apocalyptic number.

It is an amenable number.

22105103553 is a deficient number, since it is larger than the sum of its proper divisors (15548064615).

22105103553 is a wasteful number, since it uses less digits than its factorization.

22105103553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234895 (or 1234886 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 22105103553 its reverse (35530150122), we get a palindrome (57635253675).

The spelling of 22105103553 in words is "twenty-two billion, one hundred five million, one hundred three thousand, five hundred fifty-three".