1220430344 has 32 divisors (see below), whose sum is σ = 2752852800. Its totient is φ = 495512640.

The previous prime is 1220430331. The next prime is 1220430377. The reversal of 1220430344 is 4430340221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572447 + ... + 574574.

It is an arithmetic number, because the mean of its divisors is an integer number (86026650).

Almost surely, 2^1220430344 is an apocalyptic number.

1220430344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1220430344 is an abundant number, since it is smaller than the sum of its proper divisors (1532422456).

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

1220430344 is a wasteful number, since it uses less digits than its factorization.

1220430344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147053 (or 1147049 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1220430344 is about 34934.6582064288. The cubic root of 1220430344 is about 1068.6553534552.

Adding to 1220430344 its reverse (4430340221), we get a palindrome (5650770565).

The spelling of 1220430344 in words is "one billion, two hundred twenty million, four hundred thirty thousand, three hundred forty-four".