1220413322 has 8 divisors (see below), whose sum is σ = 1893744900. Its totient is φ = 589165024.

The previous prime is 1220413309. The next prime is 1220413331. The reversal of 1220413322 is 2233140221.

It can be written as a sum of positive squares in 2 ways, for example, as 1206937081 + 13476241 = 34741^2 + 3671^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1220413294 and 1220413303.

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, 10520747 + ... + 10520862.

Almost surely, 2^1220413322 is an apocalyptic number.

1220413322 is a deficient number, since it is larger than the sum of its proper divisors (673331578).

1220413322 is a wasteful number, since it uses less digits than its factorization.

1220413322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21041640.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1220413322 is about 34934.4145793228. The cubic root of 1220413322 is about 1068.6503850613.

Adding to 1220413322 its reverse (2233140221), we get a palindrome (3453553543).

The spelling of 1220413322 in words is "one billion, two hundred twenty million, four hundred thirteen thousand, three hundred twenty-two".