1522171056 has 40 divisors (see below), whose sum is σ = 4494029824. Its totient is φ = 434905920.

The previous prime is 1522171051. The next prime is 1522171067. The reversal of 1522171056 is 6501712251.

It is not an unprimeable number, because it can be changed into a prime (1522171051) by changing a digit.

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, 2264800 + ... + 2265471.

Almost surely, 2^1522171056 is an apocalyptic number.

1522171056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1522171056 is an abundant number, since it is smaller than the sum of its proper divisors (2971858768).

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

1522171056 is a wasteful number, since it uses less digits than its factorization.

1522171056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4530289 (or 4530283 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 1522171056 is about 39015.0106497486. The cubic root of 1522171056 is about 1150.3265754297.

It can be divided in two parts, 1522 and 171056, that added together give a triangular number (172578 = T₅₈₇).

The spelling of 1522171056 in words is "one billion, five hundred twenty-two million, one hundred seventy-one thousand, fifty-six".