1122653225 has 24 divisors (see below), whose sum is σ = 1482594840. Its totient is φ = 840350720.

The previous prime is 1122653221. The next prime is 1122653227. The reversal of 1122653225 is 5223562211.

It can be written as a sum of positive squares in 12 ways, for example, as 32398864 + 1090254361 = 5692^2 + 33019^2 .

It is not a de Polignac number, because 1122653225 - 2² = 1122653221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122653221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65891 + ... + 81159.

It is an arithmetic number, because the mean of its divisors is an integer number (61774785).

Almost surely, 2^1122653225 is an apocalyptic number.

It is an amenable number.

1122653225 is a deficient number, since it is larger than the sum of its proper divisors (359941615).

1122653225 is a wasteful number, since it uses less digits than its factorization.

1122653225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15469 (or 15464 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 1122653225 is about 33506.0177430861. The cubic root of 1122653225 is about 1039.3182245703.

The spelling of 1122653225 in words is "one billion, one hundred twenty-two million, six hundred fifty-three thousand, two hundred twenty-five".