1122225005 has 16 divisors (see below), whose sum is σ = 1470555648. Its totient is φ = 815352000.

The previous prime is 1122225001. The next prime is 1122225007. The reversal of 1122225005 is 5005222211.

It is a happy number.

It is not a de Polignac number, because 1122225005 - 2² = 1122225001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122225001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 48740 + ... + 67970.

It is an arithmetic number, because the mean of its divisors is an integer number (91909728).

Almost surely, 2^1122225005 is an apocalyptic number.

It is an amenable number.

1122225005 is a deficient number, since it is larger than the sum of its proper divisors (348330643).

1122225005 is a wasteful number, since it uses less digits than its factorization.

1122225005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20308.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1122225005 is about 33499.6269382213. The cubic root of 1122225005 is about 1039.1860634128.

Adding to 1122225005 its reverse (5005222211), we get a palindrome (6127447216).

The spelling of 1122225005 in words is "one billion, one hundred twenty-two million, two hundred twenty-five thousand, five".