1366859222 has 16 divisors (see below), whose sum is σ = 2057774544. Its totient is φ = 680940000.

The previous prime is 1366859213. The next prime is 1366859251. The reversal of 1366859222 is 2229586631.

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 7 ways as a sum of consecutive naturals, for example, 1049972 + ... + 1051272.

It is an arithmetic number, because the mean of its divisors is an integer number (128610909).

Almost surely, 2^1366859222 is an apocalyptic number.

1366859222 is a deficient number, since it is larger than the sum of its proper divisors (690915322).

1366859222 is a wasteful number, since it uses less digits than its factorization.

1366859222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815.

The product of its digits is 311040, while the sum is 44.

The square root of 1366859222 is about 36971.0592490937. The cubic root of 1366859222 is about 1109.7911632656.

The spelling of 1366859222 in words is "one billion, three hundred sixty-six million, eight hundred fifty-nine thousand, two hundred twenty-two".