122245442 has 16 divisors (see below), whose sum is σ = 200427264. Its totient is φ = 55458000.

The previous prime is 122245441. The next prime is 122245481. The reversal of 122245442 is 244542221.

It is not an unprimeable number, because it can be changed into a prime (122245441) 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 7 ways as a sum of consecutive naturals, for example, 6767 + ... + 17037.

It is an arithmetic number, because the mean of its divisors is an integer number (12526704).

Almost surely, 2^122245442 is an apocalyptic number.

122245442 is a deficient number, since it is larger than the sum of its proper divisors (78181822).

122245442 is a wasteful number, since it uses less digits than its factorization.

122245442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10825.

The product of its digits is 5120, while the sum is 26.

The square root of 122245442 is about 11056.4660719418. The cubic root of 122245442 is about 496.2999426923.

Adding to 122245442 its reverse (244542221), we get a palindrome (366787663).

It can be divided in two parts, 1222 and 45442, that added together give a palindrome (46664).

The spelling of 122245442 in words is "one hundred twenty-two million, two hundred forty-five thousand, four hundred forty-two".