1522432 has 36 divisors (see below), whose sum is σ = 3209080. Its totient is φ = 718848.

The previous prime is 1522427. The next prime is 1522447. The reversal of 1522432 is 2342251.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4708 + ... + 5020.

2^1522432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1522432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1604540).

1522432 is an abundant number, since it is smaller than the sum of its proper divisors (1686648).

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

1522432 is an equidigital number, since it uses as much as digits as its factorization.

1522432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 334 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 1522432 is about 1233.8687126271. The cubic root of 1522432 is about 115.0392304719.

Adding to 1522432 its reverse (2342251), we get a palindrome (3864683).

It can be divided in two parts, 152 and 2432, that multiplied together give a square (369664 = 608²).

The spelling of 1522432 in words is "one million, five hundred twenty-two thousand, four hundred thirty-two".