1522170431472 has 40 divisors (see below), whose sum is σ = 4067869260240. Its totient is φ = 489893931520.

The previous prime is 1522170431447. The next prime is 1522170431527. The reversal of 1522170431472 is 2741340712251.

It is a self number, because there is not a number n which added to its sum of digits gives 1522170431472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546755229 + ... + 546758012.

It is an arithmetic number, because the mean of its divisors is an integer number (101696731506).

Almost surely, 2^{1522170431472} is an apocalyptic number.

1522170431472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1522170431472 is an abundant number, since it is smaller than the sum of its proper divisors (2545698828768).

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

1522170431472 is a wasteful number, since it uses less digits than its factorization.

1522170431472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093513281 (or 1093513275 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 1522170431472 in words is "one trillion, five hundred twenty-two billion, one hundred seventy million, four hundred thirty-one thousand, four hundred seventy-two".