1226566055 has 32 divisors (see below), whose sum is σ = 1732449600. Its totient is φ = 821882880.

The previous prime is 1226566043. The next prime is 1226566073. The reversal of 1226566055 is 5506656221.

It is a happy number.

It is not a de Polignac number, because 1226566055 - 2¹⁰ = 1226565031 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 479921 + ... + 482469.

It is an arithmetic number, because the mean of its divisors is an integer number (54139050).

Almost surely, 2^1226566055 is an apocalyptic number.

1226566055 is a deficient number, since it is larger than the sum of its proper divisors (505883545).

1226566055 is a wasteful number, since it uses less digits than its factorization.

1226566055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 1226566055 is about 35022.3650686244. The cubic root of 1226566055 is about 1070.4432480996.

The spelling of 1226566055 in words is "one billion, two hundred twenty-six million, five hundred sixty-six thousand, fifty-five".