1220435332 has 12 divisors (see below), whose sum is σ = 2148552000. Its totient is φ = 606563336.

The previous prime is 1220435299. The next prime is 1220435353. The reversal of 1220435332 is 2335340221.

It is a junction number, because it is equal to n+sod(n) for n = 1220435297 and 1220435306.

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, 912832 + ... + 914167.

It is an arithmetic number, because the mean of its divisors is an integer number (179046000).

Almost surely, 2^1220435332 is an apocalyptic number.

It is an amenable number.

1220435332 is a deficient number, since it is larger than the sum of its proper divisors (928116668).

1220435332 is a wasteful number, since it uses less digits than its factorization.

1220435332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827170 (or 1827168 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1220435332 is about 34934.7295967780. The cubic root of 1220435332 is about 1068.6568093476.

Adding to 1220435332 its reverse (2335340221), we get a palindrome (3555775553).

The spelling of 1220435332 in words is "one billion, two hundred twenty million, four hundred thirty-five thousand, three hundred thirty-two".