1355221174 has 8 divisors (see below), whose sum is σ = 2045780208. Its totient is φ = 673294440.

The previous prime is 1355221159. The next prime is 1355221213. The reversal of 1355221174 is 4711225531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2157682 + ... + 2158309.

It is an arithmetic number, because the mean of its divisors is an integer number (255722526).

Almost surely, 2^1355221174 is an apocalyptic number.

1355221174 is a deficient number, since it is larger than the sum of its proper divisors (690559034).

1355221174 is a wasteful number, since it uses less digits than its factorization.

1355221174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316150.

The product of its digits is 8400, while the sum is 31.

The square root of 1355221174 is about 36813.3287546780. The cubic root of 1355221174 is about 1106.6324292443.

The spelling of 1355221174 in words is "one billion, three hundred fifty-five million, two hundred twenty-one thousand, one hundred seventy-four".