1220441122 has 4 divisors (see below), whose sum is σ = 1830661686. Its totient is φ = 610220560.

The previous prime is 1220441107. The next prime is 1220441141. The reversal of 1220441122 is 2211440221.

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

It can be written as a sum of positive squares in only one way, i.e., 702833121 + 517608001 = 26511^2 + 22751^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1220441122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305110279 + ... + 305110282.

Almost surely, 2^1220441122 is an apocalyptic number.

1220441122 is a deficient number, since it is larger than the sum of its proper divisors (610220564).

1220441122 is an equidigital number, since it uses as much as digits as its factorization.

1220441122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610220563.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1220441122 is about 34934.8124655049. The cubic root of 1220441122 is about 1068.6584993219.

Adding to 1220441122 its reverse (2211440221), we get a palindrome (3431881343).

Subtracting 1220441122 from its reverse (2211440221), we obtain a palindrome (990999099).

The spelling of 1220441122 in words is "one billion, two hundred twenty million, four hundred forty-one thousand, one hundred twenty-two".