1522443 has 16 divisors (see below), whose sum is σ = 2213120. Its totient is φ = 925344.

The previous prime is 1522427. The next prime is 1522447. The reversal of 1522443 is 3442251.

It is not a de Polignac number, because 1522443 - 2⁴ = 1522427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1522447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3828 + ... + 4206.

It is an arithmetic number, because the mean of its divisors is an integer number (138320).

2^1522443 is an apocalyptic number.

1522443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1522443 is a deficient number, since it is larger than the sum of its proper divisors (690677).

1522443 is a wasteful number, since it uses less digits than its factorization.

1522443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498.

The product of its digits is 960, while the sum is 21.

The square root of 1522443 is about 1233.8731701435. The cubic root of 1522443 is about 115.0395075349.

Adding to 1522443 its reverse (3442251), we get a palindrome (4964694).

The spelling of 1522443 in words is "one million, five hundred twenty-two thousand, four hundred forty-three".