1122235225 has 6 divisors (see below), whose sum is σ = 1391571710. Its totient is φ = 897788160.

The previous prime is 1122235189. The next prime is 1122235241. The reversal of 1122235225 is 5225322211.

It can be written as a sum of positive squares in 3 ways, for example, as 230675344 + 891559881 = 15188^2 + 29859^2 .

It is not a de Polignac number, because 1122235225 - 2⁷ = 1122235097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 44889409 = 1122235225 / (1 + 1 + 2 + 2 + 2 + 3 + 5 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1122235225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22444680 + ... + 22444729.

Almost surely, 2^1122235225 is an apocalyptic number.

It is an amenable number.

1122235225 is a deficient number, since it is larger than the sum of its proper divisors (269336485).

1122235225 is an equidigital number, since it uses as much as digits as its factorization.

1122235225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44889419 (or 44889414 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 1122235225 is about 33499.7794768861. The cubic root of 1122235225 is about 1039.1892179939.

Adding to 1122235225 its reverse (5225322211), we get a palindrome (6347557436).

The spelling of 1122235225 in words is "one billion, one hundred twenty-two million, two hundred thirty-five thousand, two hundred twenty-five".