2244244 has 6 divisors (see below), whose sum is σ = 3927434. Its totient is φ = 1122120.

The previous prime is 2244233. The next prime is 2244257. The reversal of 2244244 is 4424422.

It can be written as a sum of positive squares in only one way, i.e., 2067844 + 176400 = 1438^2 + 420^2 .

It is a super-2 number, since 2×2244244² = 10073262263072, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280527 + ... + 280534.

2^2244244 is an apocalyptic number.

It is an amenable number.

2244244 is a deficient number, since it is larger than the sum of its proper divisors (1683190).

2244244 is a wasteful number, since it uses less digits than its factorization.

2244244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561065 (or 561063 counting only the distinct ones).

The product of its digits is 2048, while the sum is 22.

The square root of 2244244 is about 1498.0801046673. The cubic root of 2244244 is about 130.9252336411.

Adding to 2244244 its reverse (4424422), we get a palindrome (6668666).

The spelling of 2244244 in words is "two million, two hundred forty-four thousand, two hundred forty-four".