1220310022 has 4 divisors (see below), whose sum is σ = 1830465036. Its totient is φ = 610155010.

The previous prime is 1220309983. The next prime is 1220310023. The reversal of 1220310022 is 2200130221.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1220309984 and 1220310011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220310023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305077504 + ... + 305077507.

It is an arithmetic number, because the mean of its divisors is an integer number (457616259).

Almost surely, 2^1220310022 is an apocalyptic number.

1220310022 is a deficient number, since it is larger than the sum of its proper divisors (610155014).

1220310022 is an equidigital number, since it uses as much as digits as its factorization.

1220310022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610155013.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1220310022 is about 34932.9360632627. The cubic root of 1220310022 is about 1068.6202327903.

Adding to 1220310022 its reverse (2200130221), we get a palindrome (3420440243).

The spelling of 1220310022 in words is "one billion, two hundred twenty million, three hundred ten thousand, twenty-two".