1222074550 has 24 divisors (see below), whose sum is σ = 2273979456. Its totient is φ = 488631840.

The previous prime is 1222074541. The next prime is 1222074551. The reversal of 1222074550 is 554702221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222074551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232552 + ... + 237748.

It is an arithmetic number, because the mean of its divisors is an integer number (94749144).

Almost surely, 2^1222074550 is an apocalyptic number.

1222074550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222074550 is a deficient number, since it is larger than the sum of its proper divisors (1051904906).

1222074550 is a wasteful number, since it uses less digits than its factorization.

1222074550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9912 (or 9907 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 1222074550 is about 34958.1828761164. The cubic root of 1222074550 is about 1069.1350479259.

Adding to 1222074550 its reverse (554702221), we get a palindrome (1776776771).

The spelling of 1222074550 in words is "one billion, two hundred twenty-two million, seventy-four thousand, five hundred fifty".