1220104344 has 16 divisors (see below), whose sum is σ = 3050260920. Its totient is φ = 406701440.

The previous prime is 1220104339. The next prime is 1220104357. The reversal of 1220104344 is 4434010221.

It is a super-2 number, since 2×1220104344² = 2977309220495340672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1220104344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25418817 + ... + 25418864.

Almost surely, 2^1220104344 is an apocalyptic number.

It is an amenable number.

1220104344 is an abundant number, since it is smaller than the sum of its proper divisors (1830156576).

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

1220104344 is a wasteful number, since it uses less digits than its factorization.

1220104344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50837690 (or 50837686 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1220104344 is about 34929.9920412244. The cubic root of 1220104344 is about 1068.5601923040.

Adding to 1220104344 its reverse (4434010221), we get a palindrome (5654114565).

The spelling of 1220104344 in words is "one billion, two hundred twenty million, one hundred four thousand, three hundred forty-four".