2285522 has 6 divisors (see below), whose sum is σ = 3431493. Its totient is φ = 1141692.

The previous prime is 2285513. The next prime is 2285551. The reversal of 2285522 is 2255822.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2283121 + 2401 = 1511^2 + 49^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1069.

It is a super-2 number, since 2×2285522² = 10447221624968, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2285491 and 2285500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1604 + ... + 2672.

2^2285522 is an apocalyptic number.

2285522 is a deficient number, since it is larger than the sum of its proper divisors (1145971).

2285522 is an frugal number, since it uses more digits than its factorization.

2285522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140 (or 1071 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 2285522 is about 1511.7942981768. The cubic root of 2285522 is about 131.7230572604.

Multiplying 2285522 by its product of digits (3200), we get a square (7313670400 = 85520²).

The spelling of 2285522 in words is "two million, two hundred eighty-five thousand, five hundred twenty-two".