2243522 has 8 divisors (see below), whose sum is σ = 3372096. Its totient is φ = 1119492.

The previous prime is 2243503. The next prime is 2243531. The reversal of 2243522 is 2253422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2¹¹ + 2¹² + 4² + 3¹⁰ + 5⁶ + 2¹⁶ + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2243494 and 2243503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683 + ... + 2225.

It is an arithmetic number, because the mean of its divisors is an integer number (421512).

2^2243522 is an apocalyptic number.

2243522 is a deficient number, since it is larger than the sum of its proper divisors (1128574).

2243522 is a wasteful number, since it uses less digits than its factorization.

2243522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272.

The product of its digits is 960, while the sum is 20.

The square root of 2243522 is about 1497.8391101851. The cubic root of 2243522 is about 130.9111920667.

Adding to 2243522 its reverse (2253422), we get a palindrome (4496944).

The spelling of 2243522 in words is "two million, two hundred forty-three thousand, five hundred twenty-two".