1255538822 has 8 divisors (see below), whose sum is σ = 1883954856. Its totient is φ = 627553872.

The previous prime is 1255538813. The next prime is 1255538857. The reversal of 1255538822 is 2288355521.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1255538822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100388 + ... + 112199.

It is an arithmetic number, because the mean of its divisors is an integer number (235494357).

Almost surely, 2^1255538822 is an apocalyptic number.

1255538822 is a deficient number, since it is larger than the sum of its proper divisors (628416034).

1255538822 is a wasteful number, since it uses less digits than its factorization.

1255538822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215542.

The product of its digits is 192000, while the sum is 41.

The square root of 1255538822 is about 35433.5832509217. The cubic root of 1255538822 is about 1078.8060714432.

The spelling of 1255538822 in words is "one billion, two hundred fifty-five million, five hundred thirty-eight thousand, eight hundred twenty-two".