4522090 has 16 divisors (see below), whose sum is σ = 8232840. Its totient is φ = 1788160.

The previous prime is 4522079. The next prime is 4522097. The reversal of 4522090 is 902254.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2047761 + 2474329 = 1431^2 + 1573^2 .

It is a d-powerful number, because it can be written as 4⁸ + 5² + 2¹⁸ + 2²² + 0 + 9² + 0 .

It is not an unprimeable number, because it can be changed into a prime (4522097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1651 + ... + 3430.

Almost surely, 2^4522090 is an apocalyptic number.

4522090 is a deficient number, since it is larger than the sum of its proper divisors (3710750).

4522090 is a wasteful number, since it uses less digits than its factorization.

4522090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5177.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 4522090 is about 2126.5206323946. The cubic root of 4522090 is about 165.3660681729.

The spelling of 4522090 in words is "four million, five hundred twenty-two thousand, ninety".