2244022261 has 8 divisors (see below), whose sum is σ = 2420239640. Its totient is φ = 2068319232.

The previous prime is 2244022243. The next prime is 2244022267. The reversal of 2244022261 is 1622204422.

2244022261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18541636 + 2225480625 = 4306^2 + 47175^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2244022261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244022267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119496 + ... + 136993.

It is an arithmetic number, because the mean of its divisors is an integer number (302529955).

Almost surely, 2^2244022261 is an apocalyptic number.

It is an amenable number.

2244022261 is a deficient number, since it is larger than the sum of its proper divisors (176217379).

2244022261 is a wasteful number, since it uses less digits than its factorization.

2244022261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257175.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 2244022261 is about 47371.1120937645. The cubic root of 2244022261 is about 1309.2092154512.

Adding to 2244022261 its reverse (1622204422), we get a palindrome (3866226683).

The spelling of 2244022261 in words is "two billion, two hundred forty-four million, twenty-two thousand, two hundred sixty-one".