1220422330 has 8 divisors (see below), whose sum is σ = 2196760212. Its totient is φ = 488168928.

The previous prime is 1220422327. The next prime is 1220422349. The reversal of 1220422330 is 332240221.

It can be written as a sum of positive squares in 2 ways, for example, as 1202078241 + 18344089 = 34671^2 + 4283^2 .

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 = 1220422298 and 1220422307.

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, 61021107 + ... + 61021126.

Almost surely, 2^1220422330 is an apocalyptic number.

1220422330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220422330 is a deficient number, since it is larger than the sum of its proper divisors (976337882).

1220422330 is a wasteful number, since it uses less digits than its factorization.

1220422330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122042240.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1220422330 is about 34934.5435063921. The cubic root of 1220422330 is about 1068.6530143287.

Adding to 1220422330 its reverse (332240221), we get a palindrome (1552662551).

The spelling of 1220422330 in words is "one billion, two hundred twenty million, four hundred twenty-two thousand, three hundred thirty".