2242522 has 4 divisors (see below), whose sum is σ = 3363786. Its totient is φ = 1121260.

The previous prime is 2242519. The next prime is 2242529. The reversal of 2242522 is 2252422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2252422 = 2 ⋅1126211.

It can be written as a sum of positive squares in only one way, i.e., 1846881 + 395641 = 1359^2 + 629^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2242522.

It is not an unprimeable number, because it can be changed into a prime (2242529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560629 + ... + 560632.

2^2242522 is an apocalyptic number.

2242522 is a deficient number, since it is larger than the sum of its proper divisors (1121264).

2242522 is a wasteful number, since it uses less digits than its factorization.

2242522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121263.

The product of its digits is 640, while the sum is 19.

The square root of 2242522 is about 1497.5052587554. The cubic root of 2242522 is about 130.8917389260.

Adding to 2242522 its reverse (2252422), we get a palindrome (4494944).

The spelling of 2242522 in words is "two million, two hundred forty-two thousand, five hundred twenty-two".