2290522 has 16 divisors (see below), whose sum is σ = 3801672. Its totient is φ = 1028160.

The previous prime is 2290517. The next prime is 2290523. The reversal of 2290522 is 2250922.

It can be written as a sum of positive squares in 4 ways, for example, as 1252161 + 1038361 = 1119^2 + 1019^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2290493 and 2290502.

It is not an unprimeable number, because it can be changed into a prime (2290523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229 + ... + 2152.

2^2290522 is an apocalyptic number.

2290522 is a deficient number, since it is larger than the sum of its proper divisors (1511150).

2290522 is a wasteful number, since it uses less digits than its factorization.

2290522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433.

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

The square root of 2290522 is about 1513.4470588693. The cubic root of 2290522 is about 131.8190434419.

The spelling of 2290522 in words is "two million, two hundred ninety thousand, five hundred twenty-two".