2261022224 has 20 divisors (see below), whose sum is σ = 4387001580. Its totient is φ = 1128892800.

The previous prime is 2261022223. The next prime is 2261022227. The reversal of 2261022224 is 4222201622.

It can be written as a sum of positive squares in 2 ways, for example, as 1519440400 + 741581824 = 38980^2 + 27232^2 .

It is a super-2 number, since 2×2261022224² = 10224442994843812352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2261022224.

It is not an unprimeable number, because it can be changed into a prime (2261022223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89579 + ... + 112010.

It is an arithmetic number, because the mean of its divisors is an integer number (219350079).

Almost surely, 2^2261022224 is an apocalyptic number.

It is an amenable number.

2261022224 is a deficient number, since it is larger than the sum of its proper divisors (2125979356).

2261022224 is a wasteful number, since it uses less digits than its factorization.

2261022224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202298 (or 202292 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2261022224 is about 47550.2074022816. The cubic root of 2261022224 is about 1312.5069458015.

Adding to 2261022224 its reverse (4222201622), we get a palindrome (6483223846).

The spelling of 2261022224 in words is "two billion, two hundred sixty-one million, twenty-two thousand, two hundred twenty-four".