1220245348 has 24 divisors (see below), whose sum is σ = 2506452032. Its totient is φ = 508827744.

The previous prime is 1220245307. The next prime is 1220245361. The reversal of 1220245348 is 8435420221.

It is a super-2 number, since 2×1220245348² = 2977997418631282208, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 587886 + ... + 589957.

Almost surely, 2^1220245348 is an apocalyptic number.

It is an amenable number.

1220245348 is an abundant number, since it is smaller than the sum of its proper divisors (1286206684).

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

1220245348 is a wasteful number, since it uses less digits than its factorization.

1220245348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177891 (or 1177889 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 1220245348 is about 34932.0103629894. The cubic root of 1220245348 is about 1068.6013542090.

Adding to 1220245348 its reverse (8435420221), we get a palindrome (9655665569).

The spelling of 1220245348 in words is "one billion, two hundred twenty million, two hundred forty-five thousand, three hundred forty-eight".