1228134222 has 48 divisors (see below), whose sum is σ = 3063016320. Its totient is φ = 348366096.

The previous prime is 1228134209. The next prime is 1228134233. The reversal of 1228134222 is 2224318221.

1228134222 is a `hidden beast` number, since 1 + 228 + 13 + 422 + 2 = 666.

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 23 ways as a sum of consecutive naturals, for example, 17548 + ... + 52575.

It is an arithmetic number, because the mean of its divisors is an integer number (63812840).

Almost surely, 2^1228134222 is an apocalyptic number.

1228134222 is an abundant number, since it is smaller than the sum of its proper divisors (1834882098).

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

1228134222 is a wasteful number, since it uses less digits than its factorization.

1228134222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70277 (or 70274 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 1228134222 is about 35044.7459970821. The cubic root of 1228134222 is about 1070.8992417248.

The spelling of 1228134222 in words is "one billion, two hundred twenty-eight million, one hundred thirty-four thousand, two hundred twenty-two".