1045522 has 4 divisors (see below), whose sum is σ = 1568286. Its totient is φ = 522760.

The previous prime is 1045507. The next prime is 1045523. The reversal of 1045522 is 2255401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2255401 = 173 ⋅13037.

It can be written as a sum of positive squares in only one way, i.e., 776161 + 269361 = 881^2 + 519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1045522.

It is not an unprimeable number, because it can be changed into a prime (1045523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261379 + ... + 261382.

2^1045522 is an apocalyptic number.

1045522 is a deficient number, since it is larger than the sum of its proper divisors (522764).

1045522 is an equidigital number, since it uses as much as digits as its factorization.

1045522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522763.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1045522 is about 1022.5077016825. The cubic root of 1045522 is about 101.4949401734.

It can be divided in two parts, 1045 and 522, that multiplied together give a triangular number (545490 = T₁₀₄₄).

The spelling of 1045522 in words is "one million, forty-five thousand, five hundred twenty-two".