2244222242 has 4 divisors (see below), whose sum is σ = 3366333366. Its totient is φ = 1122111120.

The previous prime is 2244222209. The next prime is 2244222247. The reversal of 2244222242 is 2422224422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2137120441 + 107101801 = 46229^2 + 10349^2 .

It is not an unprimeable number, because it can be changed into a prime (2244222247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561055559 + ... + 561055562.

Almost surely, 2^2244222242 is an apocalyptic number.

2244222242 is a deficient number, since it is larger than the sum of its proper divisors (1122111124).

2244222242 is a wasteful number, since it uses less digits than its factorization.

2244222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122111123.

The product of its digits is 8192, while the sum is 26.

The square root of 2244222242 is about 47373.2228373793. Note that the first 3 decimals coincide. The cubic root of 2244222242 is about 1309.2481053196.

Adding to 2244222242 its reverse (2422224422), we get a palindrome (4666446664).

The spelling of 2244222242 in words is "two billion, two hundred forty-four million, two hundred twenty-two thousand, two hundred forty-two".