1220422204 has 12 divisors (see below), whose sum is σ = 2137502304. Its totient is φ = 609707264.

The previous prime is 1220422199. The next prime is 1220422207. The reversal of 1220422204 is 4022240221.

It is a super-3 number, since 3×1220422204³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220422207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120484 + ... + 130219.

It is an arithmetic number, because the mean of its divisors is an integer number (178125192).

Almost surely, 2^1220422204 is an apocalyptic number.

It is an amenable number.

1220422204 is a deficient number, since it is larger than the sum of its proper divisors (917080100).

1220422204 is a wasteful number, since it uses less digits than its factorization.

1220422204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251924 (or 251922 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1220422204 is about 34934.5417030194. The cubic root of 1220422204 is about 1068.6529775518.

Adding to 1220422204 its reverse (4022240221), we get a palindrome (5242662425).

The spelling of 1220422204 in words is "one billion, two hundred twenty million, four hundred twenty-two thousand, two hundred four".