1222366554 has 24 divisors (see below), whose sum is σ = 2653684020. Its totient is φ = 406651968.

The previous prime is 1222366517. The next prime is 1222366571. The reversal of 1222366554 is 4556632221.

1222366554 is a `hidden beast` number, since 1 + 22 + 23 + 66 + 554 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1183016025 + 39350529 = 34395^2 + 6273^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57547 + ... + 75870.

Almost surely, 2^1222366554 is an apocalyptic number.

1222366554 is an abundant number, since it is smaller than the sum of its proper divisors (1431317466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222366554 is a wasteful number, since it uses less digits than its factorization.

1222366554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133934 (or 133931 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 1222366554 is about 34962.3591023260. The cubic root of 1222366554 is about 1069.2201946268.

Adding to 1222366554 its reverse (4556632221), we get a palindrome (5778998775).

The spelling of 1222366554 in words is "one billion, two hundred twenty-two million, three hundred sixty-six thousand, five hundred fifty-four".