1220322122 has 8 divisors (see below), whose sum is σ = 1838340036. Its totient is φ = 607542112.

The previous prime is 1220322119. The next prime is 1220322127. The reversal of 1220322122 is 2212230221.

It can be written as a sum of positive squares in 2 ways, for example, as 1213198561 + 7123561 = 34831^2 + 2669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1220322122.

It is not an unprimeable number, because it can be changed into a prime (1220322127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1308893 + ... + 1309824.

Almost surely, 2^1220322122 is an apocalyptic number.

1220322122 is a deficient number, since it is larger than the sum of its proper divisors (618017914).

1220322122 is a wasteful number, since it uses less digits than its factorization.

1220322122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618952.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1220322122 is about 34933.1092518258. The cubic root of 1220322122 is about 1068.6237647513.

Adding to 1220322122 its reverse (2212230221), we get a palindrome (3432552343).

The spelling of 1220322122 in words is "one billion, two hundred twenty million, three hundred twenty-two thousand, one hundred twenty-two".