1122105225 has 24 divisors (see below), whose sum is σ = 1860234112. Its totient is φ = 596836800.

The previous prime is 1122105223. The next prime is 1122105251. The reversal of 1122105225 is 5225012211.

1122105225 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1122105225 - 2¹ = 1122105223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122105221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7920 + ... + 48030.

Almost surely, 2^1122105225 is an apocalyptic number.

1122105225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1122105225 is a deficient number, since it is larger than the sum of its proper divisors (738128887).

1122105225 is a wasteful number, since it uses less digits than its factorization.

1122105225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40497 (or 40492 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1122105225 is about 33497.8391094112. The cubic root of 1122105225 is about 1039.1490898009.

Adding to 1122105225 its reverse (5225012211), we get a palindrome (6347117436).

The spelling of 1122105225 in words is "one billion, one hundred twenty-two million, one hundred five thousand, two hundred twenty-five".