122225045 has 4 divisors (see below), whose sum is σ = 146670060. Its totient is φ = 97780032.

The previous prime is 122225041. The next prime is 122225057. The reversal of 122225045 is 540522221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18164644 + 104060401 = 4262^2 + 10201^2 .

It is a cyclic number.

It is not a de Polignac number, because 122225045 - 2² = 122225041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122225045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122225041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12222500 + ... + 12222509.

It is an arithmetic number, because the mean of its divisors is an integer number (36667515).

Almost surely, 2^122225045 is an apocalyptic number.

It is an amenable number.

122225045 is a deficient number, since it is larger than the sum of its proper divisors (24445015).

122225045 is an equidigital number, since it uses as much as digits as its factorization.

122225045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24445014.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 122225045 is about 11055.5436320427. The cubic root of 122225045 is about 496.2723381375.

Adding to 122225045 its reverse (540522221), we get a palindrome (662747266).

The spelling of 122225045 in words is "one hundred twenty-two million, two hundred twenty-five thousand, forty-five".