1122530225 has 12 divisors (see below), whose sum is σ = 1401160320. Its totient is φ = 892074000.

The previous prime is 1122530221. The next prime is 1122530237. The reversal of 1122530225 is 5220352211.

It is not a de Polignac number, because 1122530225 - 2² = 1122530221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122530225.

It is not an unprimeable number, because it can be changed into a prime (1122530221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144905 + ... + 152454.

It is an arithmetic number, because the mean of its divisors is an integer number (116763360).

Almost surely, 2^1122530225 is an apocalyptic number.

It is an amenable number.

1122530225 is a deficient number, since it is larger than the sum of its proper divisors (278630095).

1122530225 is a wasteful number, since it uses less digits than its factorization.

1122530225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297520 (or 297515 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1122530225 is about 33504.1822016297. The cubic root of 1122530225 is about 1039.2802666305.

Adding to 1122530225 its reverse (5220352211), we get a palindrome (6342882436).

The spelling of 1122530225 in words is "one billion, one hundred twenty-two million, five hundred thirty thousand, two hundred twenty-five".