1522887 has 8 divisors (see below), whose sum is σ = 2036736. Its totient is φ = 1012152.

The previous prime is 1522841. The next prime is 1522897. The reversal of 1522887 is 7882251.

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

It is not a de Polignac number, because 1522887 - 2¹⁵ = 1490119 is a prime.

It is a d-powerful number, because it can be written as 1 + 5⁷ + 2¹⁴ + 2²⁰ + 8 + 8⁶ + 7⁶ .

1522887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522837) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 858 + ... + 1944.

It is an arithmetic number, because the mean of its divisors is an integer number (254592).

2^1522887 is an apocalyptic number.

1522887 is a deficient number, since it is larger than the sum of its proper divisors (513849).

1522887 is a wasteful number, since it uses less digits than its factorization.

1522887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557.

The product of its digits is 8960, while the sum is 33.

The square root of 1522887 is about 1234.0530782750. The cubic root of 1522887 is about 115.0506896890.

The spelling of 1522887 in words is "one million, five hundred twenty-two thousand, eight hundred eighty-seven".