1220335242 has 64 divisors (see below), whose sum is σ = 3081867264. Its totient is φ = 313885440.

The previous prime is 1220335231. The next prime is 1220335247. The reversal of 1220335242 is 2425330221.

It is not an unprimeable number, because it can be changed into a prime (1220335247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20734 + ... + 53577.

It is an arithmetic number, because the mean of its divisors is an integer number (48154176).

Almost surely, 2^1220335242 is an apocalyptic number.

1220335242 is an abundant number, since it is smaller than the sum of its proper divisors (1861532022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220335242 is a wasteful number, since it uses less digits than its factorization.

1220335242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74363.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1220335242 is about 34933.2970387852. The cubic root of 1220335242 is about 1068.6275944214.

Adding to 1220335242 its reverse (2425330221), we get a palindrome (3645665463).

The spelling of 1220335242 in words is "one billion, two hundred twenty million, three hundred thirty-five thousand, two hundred forty-two".